java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 12:19:38,728 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 12:19:38,731 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 12:19:38,748 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 12:19:38,748 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 12:19:38,750 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 12:19:38,752 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 12:19:38,754 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 12:19:38,764 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 12:19:38,765 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 12:19:38,768 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 12:19:38,768 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 12:19:38,770 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 12:19:38,771 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 12:19:38,774 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 12:19:38,782 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 12:19:38,782 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 12:19:38,787 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 12:19:38,791 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 12:19:38,793 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 12:19:38,795 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 12:19:38,798 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 12:19:38,801 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 12:19:38,801 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 12:19:38,801 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 12:19:38,802 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 12:19:38,803 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 12:19:38,806 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 12:19:38,809 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 12:19:38,810 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 12:19:38,810 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 12:19:38,811 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 12:19:38,811 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 12:19:38,811 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 12:19:38,812 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 12:19:38,813 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 12:19:38,813 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf [2018-10-27 12:19:38,835 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 12:19:38,835 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 12:19:38,841 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 12:19:38,841 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 12:19:38,841 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 12:19:38,841 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 12:19:38,842 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 12:19:38,842 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 12:19:38,842 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 12:19:38,842 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 12:19:38,843 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 12:19:38,843 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 12:19:38,844 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 12:19:38,844 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 12:19:38,844 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 12:19:38,844 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 12:19:38,844 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 12:19:38,844 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 12:19:38,845 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 12:19:38,845 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 12:19:38,845 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 12:19:38,845 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 12:19:38,845 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 12:19:38,846 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 12:19:38,846 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 12:19:38,846 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 12:19:38,846 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 12:19:38,846 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 12:19:38,847 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 12:19:38,847 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 12:19:38,847 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 12:19:38,847 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 12:19:38,847 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 12:19:38,847 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 12:19:38,907 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 12:19:38,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 12:19:38,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 12:19:38,928 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 12:19:38,929 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 12:19:38,930 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c [2018-10-27 12:19:38,994 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6195943d3/c5d893f69f5a41d19e445b662907a9ba/FLAG843cc6fc6 [2018-10-27 12:19:39,548 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 12:19:39,549 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c [2018-10-27 12:19:39,567 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6195943d3/c5d893f69f5a41d19e445b662907a9ba/FLAG843cc6fc6 [2018-10-27 12:19:39,584 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6195943d3/c5d893f69f5a41d19e445b662907a9ba [2018-10-27 12:19:39,595 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 12:19:39,597 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 12:19:39,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 12:19:39,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 12:19:39,602 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 12:19:39,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:19:39" (1/1) ... [2018-10-27 12:19:39,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@121c62cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:39, skipping insertion in model container [2018-10-27 12:19:39,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:19:39" (1/1) ... [2018-10-27 12:19:39,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 12:19:39,674 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 12:19:40,157 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 12:19:40,162 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 12:19:40,297 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 12:19:40,322 INFO L193 MainTranslator]: Completed translation [2018-10-27 12:19:40,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:40 WrapperNode [2018-10-27 12:19:40,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 12:19:40,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 12:19:40,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 12:19:40,324 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 12:19:40,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:40" (1/1) ... [2018-10-27 12:19:40,359 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:40" (1/1) ... [2018-10-27 12:19:40,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 12:19:40,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 12:19:40,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 12:19:40,540 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 12:19:40,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:40" (1/1) ... [2018-10-27 12:19:40,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:40" (1/1) ... [2018-10-27 12:19:40,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:40" (1/1) ... [2018-10-27 12:19:40,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:40" (1/1) ... [2018-10-27 12:19:40,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:40" (1/1) ... [2018-10-27 12:19:40,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:40" (1/1) ... [2018-10-27 12:19:40,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:40" (1/1) ... [2018-10-27 12:19:40,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 12:19:40,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 12:19:40,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 12:19:40,627 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 12:19:40,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 12:19:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 12:19:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 12:19:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 12:19:40,698 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 12:19:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 12:19:40,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 12:19:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 12:19:40,698 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 12:19:44,200 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 12:19:44,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:19:44 BoogieIcfgContainer [2018-10-27 12:19:44,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 12:19:44,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 12:19:44,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 12:19:44,205 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 12:19:44,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:19:39" (1/3) ... [2018-10-27 12:19:44,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61426179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:19:44, skipping insertion in model container [2018-10-27 12:19:44,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:40" (2/3) ... [2018-10-27 12:19:44,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61426179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:19:44, skipping insertion in model container [2018-10-27 12:19:44,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:19:44" (3/3) ... [2018-10-27 12:19:44,211 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label02_true-unreach-call_false-termination.c [2018-10-27 12:19:44,226 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 12:19:44,237 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 12:19:44,255 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 12:19:44,300 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 12:19:44,301 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 12:19:44,301 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 12:19:44,301 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 12:19:44,301 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 12:19:44,301 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 12:19:44,302 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 12:19:44,302 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 12:19:44,334 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-10-27 12:19:44,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-27 12:19:44,346 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:19:44,348 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:19:44,350 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:19:44,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:19:44,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1835137400, now seen corresponding path program 1 times [2018-10-27 12:19:44,358 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:19:44,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:19:44,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:19:44,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:19:44,403 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:19:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:19:45,062 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-10-27 12:19:45,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 12:19:45,367 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 12:19:45,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 12:19:45,368 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:19:45,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 12:19:45,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 12:19:45,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 12:19:45,394 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 4 states. [2018-10-27 12:19:48,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:19:48,040 INFO L93 Difference]: Finished difference Result 788 states and 1373 transitions. [2018-10-27 12:19:48,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 12:19:48,048 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2018-10-27 12:19:48,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:19:48,070 INFO L225 Difference]: With dead ends: 788 [2018-10-27 12:19:48,071 INFO L226 Difference]: Without dead ends: 545 [2018-10-27 12:19:48,078 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 12:19:48,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2018-10-27 12:19:48,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 383. [2018-10-27 12:19:48,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-10-27 12:19:48,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 631 transitions. [2018-10-27 12:19:48,166 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 631 transitions. Word has length 100 [2018-10-27 12:19:48,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:19:48,167 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 631 transitions. [2018-10-27 12:19:48,168 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 12:19:48,168 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 631 transitions. [2018-10-27 12:19:48,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-27 12:19:48,176 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:19:48,176 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:19:48,177 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:19:48,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:19:48,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1881867499, now seen corresponding path program 1 times [2018-10-27 12:19:48,177 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:19:48,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:19:48,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:19:48,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:19:48,179 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:19:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:19:48,367 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 12:19:48,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 12:19:48,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 12:19:48,368 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:19:48,370 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 12:19:48,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 12:19:48,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 12:19:48,371 INFO L87 Difference]: Start difference. First operand 383 states and 631 transitions. Second operand 3 states. [2018-10-27 12:19:49,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:19:49,455 INFO L93 Difference]: Finished difference Result 1060 states and 1817 transitions. [2018-10-27 12:19:49,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 12:19:49,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2018-10-27 12:19:49,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:19:49,463 INFO L225 Difference]: With dead ends: 1060 [2018-10-27 12:19:49,464 INFO L226 Difference]: Without dead ends: 683 [2018-10-27 12:19:49,467 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 12:19:49,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2018-10-27 12:19:49,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 678. [2018-10-27 12:19:49,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 678 states. [2018-10-27 12:19:49,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 1078 transitions. [2018-10-27 12:19:49,510 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 1078 transitions. Word has length 109 [2018-10-27 12:19:49,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:19:49,511 INFO L481 AbstractCegarLoop]: Abstraction has 678 states and 1078 transitions. [2018-10-27 12:19:49,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 12:19:49,512 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1078 transitions. [2018-10-27 12:19:49,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-27 12:19:49,522 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:19:49,522 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:19:49,523 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:19:49,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:19:49,523 INFO L82 PathProgramCache]: Analyzing trace with hash -1492540793, now seen corresponding path program 1 times [2018-10-27 12:19:49,523 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:19:49,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:19:49,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:19:49,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:19:49,529 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:19:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:19:49,795 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 12:19:50,242 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 12:19:50,242 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:19:50,243 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:19:50,245 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 140 with the following transitions: [2018-10-27 12:19:50,248 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [103], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 12:19:50,297 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:19:50,297 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:19:51,018 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 12:19:51,020 INFO L272 AbstractInterpreter]: Visited 101 different actions 101 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-10-27 12:19:51,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:19:51,037 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 12:19:51,675 INFO L227 lantSequenceWeakener]: Weakened 117 states. On average, predicates are now at 80.87% of their original sizes. [2018-10-27 12:19:51,676 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 12:19:52,873 INFO L415 sIntCurrentIteration]: We unified 138 AI predicates to 138 [2018-10-27 12:19:52,874 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 12:19:52,875 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 12:19:52,875 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 19 [2018-10-27 12:19:52,875 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:19:52,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-27 12:19:52,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-27 12:19:52,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2018-10-27 12:19:52,877 INFO L87 Difference]: Start difference. First operand 678 states and 1078 transitions. Second operand 15 states. [2018-10-27 12:20:08,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:20:08,319 INFO L93 Difference]: Finished difference Result 1650 states and 2672 transitions. [2018-10-27 12:20:08,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-10-27 12:20:08,319 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 139 [2018-10-27 12:20:08,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:20:08,325 INFO L225 Difference]: With dead ends: 1650 [2018-10-27 12:20:08,325 INFO L226 Difference]: Without dead ends: 978 [2018-10-27 12:20:08,329 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 151 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=204, Invalid=552, Unknown=0, NotChecked=0, Total=756 [2018-10-27 12:20:08,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2018-10-27 12:20:08,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 825. [2018-10-27 12:20:08,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 825 states. [2018-10-27 12:20:08,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1233 transitions. [2018-10-27 12:20:08,369 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1233 transitions. Word has length 139 [2018-10-27 12:20:08,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:20:08,370 INFO L481 AbstractCegarLoop]: Abstraction has 825 states and 1233 transitions. [2018-10-27 12:20:08,371 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-27 12:20:08,371 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1233 transitions. [2018-10-27 12:20:08,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-27 12:20:08,378 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:20:08,382 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:20:08,382 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:20:08,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:20:08,383 INFO L82 PathProgramCache]: Analyzing trace with hash -989712890, now seen corresponding path program 1 times [2018-10-27 12:20:08,383 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:20:08,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:20:08,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:20:08,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:20:08,386 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:20:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:20:08,682 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 46 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 12:20:08,683 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:20:08,683 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:20:08,683 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-10-27 12:20:08,684 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [103], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 12:20:08,689 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:20:08,689 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:20:09,310 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 12:20:09,310 INFO L272 AbstractInterpreter]: Visited 105 different actions 314 times. Merged at 7 different actions 21 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-27 12:20:09,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:20:09,349 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 12:20:09,607 INFO L227 lantSequenceWeakener]: Weakened 146 states. On average, predicates are now at 80.65% of their original sizes. [2018-10-27 12:20:09,608 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 12:20:10,071 INFO L415 sIntCurrentIteration]: We unified 148 AI predicates to 148 [2018-10-27 12:20:10,072 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 12:20:10,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 12:20:10,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 18 [2018-10-27 12:20:10,072 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:20:10,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-27 12:20:10,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-27 12:20:10,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-10-27 12:20:10,074 INFO L87 Difference]: Start difference. First operand 825 states and 1233 transitions. Second operand 11 states. [2018-10-27 12:20:16,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:20:16,927 INFO L93 Difference]: Finished difference Result 2386 states and 3689 transitions. [2018-10-27 12:20:16,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-27 12:20:16,928 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 149 [2018-10-27 12:20:16,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:20:16,937 INFO L225 Difference]: With dead ends: 2386 [2018-10-27 12:20:16,937 INFO L226 Difference]: Without dead ends: 1567 [2018-10-27 12:20:16,942 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 157 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2018-10-27 12:20:16,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1567 states. [2018-10-27 12:20:16,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1567 to 1546. [2018-10-27 12:20:16,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1546 states. [2018-10-27 12:20:16,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 2082 transitions. [2018-10-27 12:20:16,989 INFO L78 Accepts]: Start accepts. Automaton has 1546 states and 2082 transitions. Word has length 149 [2018-10-27 12:20:16,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:20:16,990 INFO L481 AbstractCegarLoop]: Abstraction has 1546 states and 2082 transitions. [2018-10-27 12:20:16,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-27 12:20:16,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2082 transitions. [2018-10-27 12:20:16,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-27 12:20:16,997 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:20:16,998 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:20:16,998 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:20:16,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:20:16,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1960761734, now seen corresponding path program 1 times [2018-10-27 12:20:16,999 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:20:16,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:20:17,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:20:17,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:20:17,000 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:20:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:20:17,220 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 12:20:17,220 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:20:17,221 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:20:17,221 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 186 with the following transitions: [2018-10-27 12:20:17,221 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 12:20:17,226 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:20:17,226 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:20:17,625 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 12:20:17,626 INFO L272 AbstractInterpreter]: Visited 104 different actions 204 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-10-27 12:20:17,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:20:17,628 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 12:20:17,923 INFO L227 lantSequenceWeakener]: Weakened 94 states. On average, predicates are now at 80.49% of their original sizes. [2018-10-27 12:20:17,923 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 12:20:18,300 INFO L415 sIntCurrentIteration]: We unified 184 AI predicates to 184 [2018-10-27 12:20:18,300 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 12:20:18,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 12:20:18,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2018-10-27 12:20:18,301 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:20:18,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-27 12:20:18,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-27 12:20:18,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2018-10-27 12:20:18,302 INFO L87 Difference]: Start difference. First operand 1546 states and 2082 transitions. Second operand 18 states. [2018-10-27 12:20:31,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:20:31,255 INFO L93 Difference]: Finished difference Result 3833 states and 5220 transitions. [2018-10-27 12:20:31,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-27 12:20:31,256 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 185 [2018-10-27 12:20:31,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:20:31,267 INFO L225 Difference]: With dead ends: 3833 [2018-10-27 12:20:31,267 INFO L226 Difference]: Without dead ends: 2293 [2018-10-27 12:20:31,272 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 199 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=192, Invalid=864, Unknown=0, NotChecked=0, Total=1056 [2018-10-27 12:20:31,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2293 states. [2018-10-27 12:20:31,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2293 to 2283. [2018-10-27 12:20:31,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2283 states. [2018-10-27 12:20:31,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2283 states to 2283 states and 2947 transitions. [2018-10-27 12:20:31,330 INFO L78 Accepts]: Start accepts. Automaton has 2283 states and 2947 transitions. Word has length 185 [2018-10-27 12:20:31,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:20:31,331 INFO L481 AbstractCegarLoop]: Abstraction has 2283 states and 2947 transitions. [2018-10-27 12:20:31,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-10-27 12:20:31,331 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 2947 transitions. [2018-10-27 12:20:31,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-10-27 12:20:31,339 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:20:31,340 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:20:31,340 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:20:31,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:20:31,340 INFO L82 PathProgramCache]: Analyzing trace with hash -345059058, now seen corresponding path program 1 times [2018-10-27 12:20:31,341 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:20:31,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:20:31,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:20:31,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:20:31,342 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:20:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:20:31,550 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 12:20:31,550 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:20:31,550 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:20:31,551 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-10-27 12:20:31,551 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 12:20:31,554 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:20:31,554 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:20:31,993 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 12:20:31,993 INFO L272 AbstractInterpreter]: Visited 108 different actions 319 times. Merged at 8 different actions 23 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-27 12:20:31,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:20:31,997 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 12:20:31,997 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:20:31,997 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 12:20:32,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:20:32,008 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 12:20:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:20:32,119 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 12:20:32,602 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 12:20:32,602 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 12:20:32,770 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-10-27 12:20:33,420 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 12:20:33,442 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 12:20:33,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-10-27 12:20:33,443 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 12:20:33,443 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 12:20:33,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 12:20:33,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-10-27 12:20:33,445 INFO L87 Difference]: Start difference. First operand 2283 states and 2947 transitions. Second operand 9 states. [2018-10-27 12:20:39,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:20:39,228 INFO L93 Difference]: Finished difference Result 7657 states and 10774 transitions. [2018-10-27 12:20:39,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-27 12:20:39,228 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 208 [2018-10-27 12:20:39,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:20:39,246 INFO L225 Difference]: With dead ends: 7657 [2018-10-27 12:20:39,246 INFO L226 Difference]: Without dead ends: 3182 [2018-10-27 12:20:39,265 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 425 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=184, Invalid=466, Unknown=0, NotChecked=0, Total=650 [2018-10-27 12:20:39,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3182 states. [2018-10-27 12:20:39,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3182 to 3035. [2018-10-27 12:20:39,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3035 states. [2018-10-27 12:20:39,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 3035 states and 3523 transitions. [2018-10-27 12:20:39,346 INFO L78 Accepts]: Start accepts. Automaton has 3035 states and 3523 transitions. Word has length 208 [2018-10-27 12:20:39,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:20:39,347 INFO L481 AbstractCegarLoop]: Abstraction has 3035 states and 3523 transitions. [2018-10-27 12:20:39,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 12:20:39,347 INFO L276 IsEmpty]: Start isEmpty. Operand 3035 states and 3523 transitions. [2018-10-27 12:20:39,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-27 12:20:39,355 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:20:39,355 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:20:39,356 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:20:39,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:20:39,356 INFO L82 PathProgramCache]: Analyzing trace with hash 323516658, now seen corresponding path program 1 times [2018-10-27 12:20:39,356 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:20:39,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:20:39,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:20:39,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:20:39,357 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:20:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:20:40,367 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 113 proven. 46 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 12:20:40,368 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:20:40,368 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:20:40,368 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 219 with the following transitions: [2018-10-27 12:20:40,368 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 12:20:40,373 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:20:40,373 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:20:40,759 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 12:20:40,759 INFO L272 AbstractInterpreter]: Visited 105 different actions 206 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-10-27 12:20:40,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:20:40,800 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 12:20:41,342 INFO L227 lantSequenceWeakener]: Weakened 72 states. On average, predicates are now at 81.06% of their original sizes. [2018-10-27 12:20:41,342 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 12:20:42,168 INFO L415 sIntCurrentIteration]: We unified 217 AI predicates to 217 [2018-10-27 12:20:42,169 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 12:20:42,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 12:20:42,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [10] total 26 [2018-10-27 12:20:42,169 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:20:42,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-27 12:20:42,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-27 12:20:42,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2018-10-27 12:20:42,171 INFO L87 Difference]: Start difference. First operand 3035 states and 3523 transitions. Second operand 18 states. [2018-10-27 12:20:57,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:20:57,569 INFO L93 Difference]: Finished difference Result 6790 states and 7866 transitions. [2018-10-27 12:20:57,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-27 12:20:57,569 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 218 [2018-10-27 12:20:57,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:20:57,584 INFO L225 Difference]: With dead ends: 6790 [2018-10-27 12:20:57,584 INFO L226 Difference]: Without dead ends: 3766 [2018-10-27 12:20:57,591 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 228 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=180, Invalid=632, Unknown=0, NotChecked=0, Total=812 [2018-10-27 12:20:57,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3766 states. [2018-10-27 12:20:57,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3766 to 3760. [2018-10-27 12:20:57,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3760 states. [2018-10-27 12:20:57,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3760 states to 3760 states and 4325 transitions. [2018-10-27 12:20:57,681 INFO L78 Accepts]: Start accepts. Automaton has 3760 states and 4325 transitions. Word has length 218 [2018-10-27 12:20:57,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:20:57,681 INFO L481 AbstractCegarLoop]: Abstraction has 3760 states and 4325 transitions. [2018-10-27 12:20:57,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-10-27 12:20:57,682 INFO L276 IsEmpty]: Start isEmpty. Operand 3760 states and 4325 transitions. [2018-10-27 12:20:57,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-10-27 12:20:57,691 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:20:57,691 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:20:57,692 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:20:57,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:20:57,692 INFO L82 PathProgramCache]: Analyzing trace with hash -455193050, now seen corresponding path program 1 times [2018-10-27 12:20:57,692 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:20:57,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:20:57,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:20:57,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:20:57,694 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:20:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:20:57,971 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 12:20:59,049 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 160 proven. 71 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-27 12:20:59,049 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:20:59,049 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:20:59,049 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 244 with the following transitions: [2018-10-27 12:20:59,050 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [67], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 12:20:59,052 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:20:59,053 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:20:59,566 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 12:20:59,566 INFO L272 AbstractInterpreter]: Visited 109 different actions 435 times. Merged at 9 different actions 39 times. Widened at 1 different actions 1 times. Found 9 fixpoints after 4 different actions. Largest state had 38 variables. [2018-10-27 12:20:59,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:20:59,574 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 12:20:59,574 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:20:59,574 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 12:20:59,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:20:59,590 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 12:20:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:20:59,694 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 12:20:59,824 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 170 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-10-27 12:20:59,824 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 12:21:00,029 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 175 proven. 36 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-27 12:21:00,050 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 12:21:00,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-10-27 12:21:00,051 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 12:21:00,052 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-27 12:21:00,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-27 12:21:00,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2018-10-27 12:21:00,053 INFO L87 Difference]: Start difference. First operand 3760 states and 4325 transitions. Second operand 14 states. [2018-10-27 12:21:04,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:21:04,027 INFO L93 Difference]: Finished difference Result 7055 states and 8374 transitions. [2018-10-27 12:21:04,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-10-27 12:21:04,028 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 243 [2018-10-27 12:21:04,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:21:04,029 INFO L225 Difference]: With dead ends: 7055 [2018-10-27 12:21:04,029 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 12:21:04,045 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 501 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 390 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=489, Invalid=1317, Unknown=0, NotChecked=0, Total=1806 [2018-10-27 12:21:04,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 12:21:04,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 12:21:04,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 12:21:04,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 12:21:04,046 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 243 [2018-10-27 12:21:04,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:21:04,046 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 12:21:04,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-27 12:21:04,046 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 12:21:04,047 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 12:21:04,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 12:21:04,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:21:04,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:21:04,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:21:04,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:21:04,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:21:04,452 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2018-10-27 12:21:04,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:21:04,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:21:04,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:21:04,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:21:04,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:21:04,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:21:04,579 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 127 [2018-10-27 12:21:05,514 WARN L179 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2018-10-27 12:21:06,164 WARN L179 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 77 [2018-10-27 12:21:08,581 WARN L179 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 280 DAG size of output: 99 [2018-10-27 12:21:09,108 WARN L179 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 101 [2018-10-27 12:21:09,486 WARN L179 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 96 [2018-10-27 12:21:09,489 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 12:21:09,489 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|)) [2018-10-27 12:21:09,489 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 12:21:09,490 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,490 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,490 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,490 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,490 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,490 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-10-27 12:21:09,490 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-10-27 12:21:09,491 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-10-27 12:21:09,491 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-10-27 12:21:09,491 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-10-27 12:21:09,491 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-10-27 12:21:09,491 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-10-27 12:21:09,491 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-10-27 12:21:09,491 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-10-27 12:21:09,492 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-10-27 12:21:09,492 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-10-27 12:21:09,492 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-10-27 12:21:09,492 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-10-27 12:21:09,492 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,492 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,492 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,492 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,492 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-10-27 12:21:09,492 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,493 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-10-27 12:21:09,493 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-10-27 12:21:09,493 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-10-27 12:21:09,493 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-10-27 12:21:09,493 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-10-27 12:21:09,493 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-10-27 12:21:09,493 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-10-27 12:21:09,493 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-10-27 12:21:09,493 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-10-27 12:21:09,494 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-10-27 12:21:09,494 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-10-27 12:21:09,494 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-10-27 12:21:09,494 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-10-27 12:21:09,494 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-10-27 12:21:09,494 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-10-27 12:21:09,494 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,494 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,495 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,495 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,495 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,495 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-10-27 12:21:09,495 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-10-27 12:21:09,495 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-10-27 12:21:09,495 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-10-27 12:21:09,495 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-10-27 12:21:09,496 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-10-27 12:21:09,496 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-10-27 12:21:09,496 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-10-27 12:21:09,496 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-10-27 12:21:09,496 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-10-27 12:21:09,496 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-10-27 12:21:09,496 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,497 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,497 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,497 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,497 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,497 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-10-27 12:21:09,497 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-10-27 12:21:09,497 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-10-27 12:21:09,498 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 451) no Hoare annotation was computed. [2018-10-27 12:21:09,498 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-10-27 12:21:09,498 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-10-27 12:21:09,498 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-10-27 12:21:09,498 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-10-27 12:21:09,498 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-10-27 12:21:09,498 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-10-27 12:21:09,498 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-10-27 12:21:09,498 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-10-27 12:21:09,499 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-10-27 12:21:09,499 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-10-27 12:21:09,499 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,499 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,499 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,499 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,499 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,500 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-10-27 12:21:09,500 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-10-27 12:21:09,500 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-10-27 12:21:09,500 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-10-27 12:21:09,500 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-10-27 12:21:09,500 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-10-27 12:21:09,500 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-10-27 12:21:09,501 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-10-27 12:21:09,501 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-10-27 12:21:09,501 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-10-27 12:21:09,501 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-10-27 12:21:09,501 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-10-27 12:21:09,501 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-10-27 12:21:09,501 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-10-27 12:21:09,502 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-10-27 12:21:09,502 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-10-27 12:21:09,502 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,502 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,502 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,502 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,502 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-10-27 12:21:09,503 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,503 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-10-27 12:21:09,503 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,503 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-10-27 12:21:09,503 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-10-27 12:21:09,503 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-10-27 12:21:09,503 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,503 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,504 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-10-27 12:21:09,504 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-10-27 12:21:09,504 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-10-27 12:21:09,504 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-10-27 12:21:09,504 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-10-27 12:21:09,504 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-10-27 12:21:09,504 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-10-27 12:21:09,504 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-10-27 12:21:09,504 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-10-27 12:21:09,504 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-10-27 12:21:09,504 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-10-27 12:21:09,505 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,505 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,505 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,505 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,505 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,505 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,505 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-10-27 12:21:09,505 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-10-27 12:21:09,505 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-10-27 12:21:09,505 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-10-27 12:21:09,506 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-10-27 12:21:09,506 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-10-27 12:21:09,506 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-10-27 12:21:09,506 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-10-27 12:21:09,506 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-10-27 12:21:09,506 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-10-27 12:21:09,506 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-10-27 12:21:09,506 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,506 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,506 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,506 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,507 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,507 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,507 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-10-27 12:21:09,507 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-10-27 12:21:09,507 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-10-27 12:21:09,507 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-10-27 12:21:09,507 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-10-27 12:21:09,507 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-10-27 12:21:09,507 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-10-27 12:21:09,507 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-10-27 12:21:09,507 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-10-27 12:21:09,508 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-10-27 12:21:09,508 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-10-27 12:21:09,508 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-10-27 12:21:09,508 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-10-27 12:21:09,508 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-10-27 12:21:09,508 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,508 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,508 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,509 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (< |old(~a28~0)| 7)) (.cse23 (not (= 0 |old(~a25~0)|))) (.cse3 (not (= 1 ~a21~0))) (.cse7 (not (= 1 |old(~a19~0)|))) (.cse8 (< 1 |old(~a25~0)|)) (.cse13 (= 1 |old(~a11~0)|))) (let ((.cse9 (not (= 8 |old(~a17~0)|))) (.cse0 (= 1 ~a11~0)) (.cse15 (= |old(~a17~0)| ~a17~0)) (.cse16 (= ~a28~0 |old(~a28~0)|)) (.cse4 (not .cse13)) (.cse12 (<= ~a17~0 |old(~a17~0)|)) (.cse14 (= ~a11~0 |old(~a11~0)|)) (.cse11 (and .cse13 (= |old(~a11~0)| |old(~a19~0)|))) (.cse20 (< 7 |old(~a17~0)|)) (.cse19 (= 1 ~a25~0)) (.cse18 (not (= 1 |old(~a25~0)|))) (.cse2 (< 6 |calculate_output_#in~input|)) (.cse1 (= ~a19~0 1)) (.cse22 (let ((.cse24 (not (= 0 |old(~a11~0)|))) (.cse25 (< 11 |old(~a28~0)|))) (and (or .cse3 .cse7 .cse24 .cse25 .cse5 .cse23) (or .cse3 (< |old(~a28~0)| 8) .cse7 .cse8 .cse24 .cse25)))) (.cse6 (< 10 |old(~a28~0)|)) (.cse21 (= 8 |old(~a28~0)|)) (.cse17 (not (= |old(~a17~0)| 8))) (.cse10 (< |calculate_output_#in~input| 1))) (and (or (and (<= ~a28~0 10) (<= 7 ~a28~0) (<= ~a25~0 1) (<= 0 ~a25~0) .cse0 (= ~a17~0 8) .cse1) .cse2 .cse3 (< |old(~a25~0)| 0) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse11 .cse4 (and .cse12 .cse0 (not (= 1 ~a19~0)))) (or .cse13 (and .cse14 .cse15 .cse16) .cse17) (or .cse11 .cse18 .cse19 .cse4) (or (not (= 10 |old(~a28~0)|)) (and .cse0 .cse15 .cse16) .cse4 .cse20) (or .cse18 (and .cse12 .cse0) .cse4 .cse20) (or .cse2 .cse3 .cse18 .cse19 .cse9 .cse10) (or (and .cse0 .cse15 .cse19 .cse16) .cse18 .cse21 .cse17 .cse4) (or (and .cse12 .cse14) .cse11 .cse20) (or .cse2 .cse18 .cse1 .cse22 .cse17 .cse10) (or .cse18 .cse19 .cse20) (or .cse19 .cse17 (or .cse13 .cse18)) (or .cse2 (and (= ~a25~0 0) .cse1) .cse22 .cse6 .cse21 .cse17 .cse23 .cse10)))) [2018-10-27 12:21:09,509 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,509 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,509 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,509 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-10-27 12:21:09,510 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-10-27 12:21:09,510 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-10-27 12:21:09,510 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-10-27 12:21:09,510 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-10-27 12:21:09,510 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-10-27 12:21:09,510 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-10-27 12:21:09,510 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-10-27 12:21:09,510 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-10-27 12:21:09,510 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-10-27 12:21:09,510 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-10-27 12:21:09,511 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-10-27 12:21:09,511 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-10-27 12:21:09,511 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,511 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,511 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,511 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,511 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,511 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,511 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-10-27 12:21:09,511 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-10-27 12:21:09,511 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-10-27 12:21:09,512 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-10-27 12:21:09,512 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-10-27 12:21:09,512 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-10-27 12:21:09,512 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-10-27 12:21:09,512 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-10-27 12:21:09,512 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-10-27 12:21:09,512 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-10-27 12:21:09,512 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-10-27 12:21:09,512 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-10-27 12:21:09,512 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-10-27 12:21:09,512 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-10-27 12:21:09,513 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-10-27 12:21:09,513 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-10-27 12:21:09,513 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,513 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,513 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,513 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,513 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 12:21:09,513 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-10-27 12:21:09,513 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-10-27 12:21:09,514 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-10-27 12:21:09,514 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-10-27 12:21:09,514 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-10-27 12:21:09,514 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-10-27 12:21:09,514 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-10-27 12:21:09,514 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-10-27 12:21:09,514 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-10-27 12:21:09,514 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-10-27 12:21:09,515 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-10-27 12:21:09,515 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-10-27 12:21:09,515 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-10-27 12:21:09,515 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-10-27 12:21:09,515 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-10-27 12:21:09,515 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-10-27 12:21:09,515 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-10-27 12:21:09,515 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-10-27 12:21:09,515 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-10-27 12:21:09,515 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 12:21:09,516 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~z~0 26) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a~0 1) (= ~a19~0 1) (= ~a28~0 7)) [2018-10-27 12:21:09,516 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 12:21:09,516 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 12:21:09,516 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (and (= ~a25~0 0) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-10-27 12:21:09,516 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-10-27 12:21:09,517 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (= 1 ~a11~0)) (.cse1 (= |old(~a17~0)| ~a17~0)) (.cse3 (or (not (= ~a19~0 ~a11~0)) (not (= 1 ~a19~0)))) (.cse2 (= 1 ~a25~0)) (.cse4 (<= ~a17~0 7))) (or (and .cse0 .cse1 .cse2) (and (<= ~a28~0 10) (<= 7 ~a28~0) (<= ~a25~0 1) (<= 0 ~a25~0) .cse0 (= ~a17~0 8)) (and (<= ~a17~0 |old(~a17~0)|) .cse0 .cse3) (not (= |old(~a11~0)| 0)) (and (= ~a11~0 |old(~a11~0)|) .cse1) (not (= ~v~0 22)) (not (= ~u~0 21)) (and .cse4 .cse3) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and .cse4 .cse2) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (and .cse4 (= 10 ~a28~0)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23)))) [2018-10-27 12:21:09,517 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-10-27 12:21:09,517 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-10-27 12:21:09,517 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (= |old(~a17~0)| ~a17~0)) (.cse3 (or (not (= ~a19~0 ~a11~0)) (not (= 1 ~a19~0)))) (.cse2 (= 1 ~a25~0)) (.cse0 (= 1 ~a11~0)) (.cse4 (<= ~a17~0 7))) (or (and .cse0 .cse1 .cse2 (not (= ~a28~0 8))) (and (<= ~a17~0 |old(~a17~0)|) .cse0 .cse3) (not (= |old(~a11~0)| 0)) (and (= ~a11~0 |old(~a11~0)|) .cse1) (not (= ~v~0 22)) (not (= ~u~0 21)) (and .cse4 .cse3) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and .cse4 .cse2) (and (<= 1 main_~input~0) (<= main_~input~0 6) (<= ~a28~0 10) (<= 7 ~a28~0) (<= ~a25~0 1) (<= 0 ~a25~0) .cse0 (= ~a17~0 8)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (and .cse4 (= 10 ~a28~0)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23)))) [2018-10-27 12:21:09,517 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-10-27 12:21:09,518 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-10-27 12:21:09,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:21:09 BoogieIcfgContainer [2018-10-27 12:21:09,535 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 12:21:09,536 INFO L168 Benchmark]: Toolchain (without parser) took 89940.21 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -313.9 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-10-27 12:21:09,537 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 12:21:09,538 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.64 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-27 12:21:09,539 INFO L168 Benchmark]: Boogie Procedure Inliner took 215.85 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 726.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -798.8 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-10-27 12:21:09,540 INFO L168 Benchmark]: Boogie Preprocessor took 85.93 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 12:21:09,540 INFO L168 Benchmark]: RCFGBuilder took 3574.47 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 106.1 MB). Peak memory consumption was 106.1 MB. Max. memory is 7.1 GB. [2018-10-27 12:21:09,541 INFO L168 Benchmark]: TraceAbstraction took 85333.45 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 347.1 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-10-27 12:21:09,546 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 725.64 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 215.85 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 726.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -798.8 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.93 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3574.47 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 106.1 MB). Peak memory consumption was 106.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 85333.45 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 347.1 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 451]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((1 == a11 && \old(a17) == a17) && 1 == a25) || (((((a28 <= 10 && 7 <= a28) && a25 <= 1) && 0 <= a25) && 1 == a11) && a17 == 8)) || ((a17 <= \old(a17) && 1 == a11) && (!(a19 == a11) || !(1 == a19)))) || !(\old(a11) == 0)) || (a11 == \old(a11) && \old(a17) == a17)) || !(v == 22)) || !(u == 21)) || (a17 <= 7 && (!(a19 == a11) || !(1 == a19)))) || !(a21 == 1)) || !(y == 25)) || (a17 <= 7 && 1 == a25)) || !(3 == c)) || !(\old(a25) == 0)) || !(\old(a28) == 7)) || !(a == 1)) || !(26 == z)) || !(1 == \old(a19))) || !(x == 24)) || !(8 == \old(a17))) || (a17 <= 7 && 10 == a28)) || !(e == 5)) || !(d == 4)) || !(6 == f)) || !(w == 23) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 85.2s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 64.3s AutomataDifference, 0.0s DeadEndRemovalTime, 5.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1523 SDtfs, 10546 SDslu, 1866 SDs, 0 SdLazy, 13298 SolverSat, 2727 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.4s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1740 GetRequests, 1564 SyntacticMatches, 6 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1131 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3760occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.2s AbstIntTime, 6 AbstIntIterations, 4 AbstIntStrong, 0.9970725027622022 AbsIntWeakeningRatio, 0.22416302765647744 AbsIntAvgWeakeningVarsNumRemoved, 23.270742358078603 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 504 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 121 PreInvPairs, 199 NumberOfFragments, 874 HoareAnnotationTreeSize, 121 FomulaSimplifications, 13628 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6160 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 1802 NumberOfCodeBlocks, 1802 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2241 ConstructedInterpolants, 0 QuantifiedInterpolants, 1040359 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1104 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 1383/1565 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...