java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label04_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 12:45:04,072 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 12:45:04,074 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 12:45:04,086 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 12:45:04,086 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 12:45:04,087 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 12:45:04,088 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 12:45:04,092 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 12:45:04,097 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 12:45:04,102 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 12:45:04,103 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 12:45:04,103 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 12:45:04,104 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 12:45:04,107 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 12:45:04,108 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 12:45:04,109 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 12:45:04,112 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 12:45:04,114 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 12:45:04,118 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 12:45:04,120 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 12:45:04,124 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 12:45:04,125 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 12:45:04,128 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 12:45:04,128 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 12:45:04,128 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 12:45:04,131 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 12:45:04,132 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 12:45:04,133 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 12:45:04,134 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 12:45:04,136 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 12:45:04,136 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 12:45:04,138 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 12:45:04,138 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 12:45:04,139 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 12:45:04,140 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 12:45:04,143 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 12:45:04,144 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf [2018-11-07 12:45:04,164 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 12:45:04,164 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 12:45:04,165 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 12:45:04,165 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 12:45:04,166 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 12:45:04,166 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 12:45:04,166 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 12:45:04,166 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 12:45:04,166 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 12:45:04,166 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 12:45:04,167 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 12:45:04,168 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 12:45:04,168 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 12:45:04,169 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 12:45:04,169 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 12:45:04,169 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 12:45:04,169 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 12:45:04,169 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 12:45:04,169 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 12:45:04,171 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 12:45:04,171 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 12:45:04,172 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 12:45:04,172 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 12:45:04,172 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 12:45:04,172 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 12:45:04,172 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 12:45:04,173 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 12:45:04,173 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 12:45:04,173 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 12:45:04,173 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 12:45:04,173 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 12:45:04,174 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 12:45:04,174 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 12:45:04,174 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 12:45:04,225 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 12:45:04,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 12:45:04,245 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 12:45:04,246 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 12:45:04,247 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 12:45:04,247 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label04_true-unreach-call_false-termination.c [2018-11-07 12:45:04,314 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14bd251b1/0e771c6f904c45cdb27a4bcbe82cb446/FLAG921d873b3 [2018-11-07 12:45:04,825 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 12:45:04,826 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label04_true-unreach-call_false-termination.c [2018-11-07 12:45:04,838 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14bd251b1/0e771c6f904c45cdb27a4bcbe82cb446/FLAG921d873b3 [2018-11-07 12:45:04,863 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14bd251b1/0e771c6f904c45cdb27a4bcbe82cb446 [2018-11-07 12:45:04,875 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 12:45:04,877 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 12:45:04,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 12:45:04,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 12:45:04,882 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 12:45:04,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:45:04" (1/1) ... [2018-11-07 12:45:04,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7049c94d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:45:04, skipping insertion in model container [2018-11-07 12:45:04,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:45:04" (1/1) ... [2018-11-07 12:45:04,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 12:45:04,975 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 12:45:05,440 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 12:45:05,445 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 12:45:05,603 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 12:45:05,629 INFO L193 MainTranslator]: Completed translation [2018-11-07 12:45:05,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:45:05 WrapperNode [2018-11-07 12:45:05,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 12:45:05,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 12:45:05,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 12:45:05,631 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 12:45:05,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:45:05" (1/1) ... [2018-11-07 12:45:05,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:45:05" (1/1) ... [2018-11-07 12:45:05,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 12:45:05,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 12:45:05,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 12:45:05,796 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 12:45:05,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:45:05" (1/1) ... [2018-11-07 12:45:05,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:45:05" (1/1) ... [2018-11-07 12:45:05,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:45:05" (1/1) ... [2018-11-07 12:45:05,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:45:05" (1/1) ... [2018-11-07 12:45:05,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:45:05" (1/1) ... [2018-11-07 12:45:05,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:45:05" (1/1) ... [2018-11-07 12:45:05,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:45:05" (1/1) ... [2018-11-07 12:45:05,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 12:45:05,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 12:45:05,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 12:45:05,901 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 12:45:05,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:45:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 12:45:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 12:45:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 12:45:05,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 12:45:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 12:45:05,976 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 12:45:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 12:45:05,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 12:45:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 12:45:05,977 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 12:45:08,952 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 12:45:08,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:45:08 BoogieIcfgContainer [2018-11-07 12:45:08,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 12:45:08,955 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 12:45:08,955 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 12:45:08,959 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 12:45:08,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:45:04" (1/3) ... [2018-11-07 12:45:08,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30acfe41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:45:08, skipping insertion in model container [2018-11-07 12:45:08,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:45:05" (2/3) ... [2018-11-07 12:45:08,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30acfe41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:45:08, skipping insertion in model container [2018-11-07 12:45:08,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:45:08" (3/3) ... [2018-11-07 12:45:08,963 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label04_true-unreach-call_false-termination.c [2018-11-07 12:45:08,973 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 12:45:08,982 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 12:45:08,999 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 12:45:09,036 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 12:45:09,037 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 12:45:09,037 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 12:45:09,037 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 12:45:09,037 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 12:45:09,038 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 12:45:09,038 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 12:45:09,038 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 12:45:09,065 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-07 12:45:09,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-07 12:45:09,078 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:45:09,079 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:45:09,083 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:45:09,089 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:45:09,089 INFO L82 PathProgramCache]: Analyzing trace with hash 576878093, now seen corresponding path program 1 times [2018-11-07 12:45:09,092 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:45:09,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:45:09,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:45:09,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:45:09,140 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:45:09,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:45:09,706 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 12:45:09,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:45:09,832 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 12:45:09,833 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 12:45:09,833 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:45:09,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 12:45:09,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 12:45:09,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 12:45:09,858 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-07 12:45:11,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:45:11,672 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-07 12:45:11,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 12:45:11,677 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2018-11-07 12:45:11,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:45:11,694 INFO L225 Difference]: With dead ends: 550 [2018-11-07 12:45:11,695 INFO L226 Difference]: Without dead ends: 340 [2018-11-07 12:45:11,701 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 12:45:11,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-07 12:45:11,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-07 12:45:11,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-07 12:45:11,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 553 transitions. [2018-11-07 12:45:11,786 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 553 transitions. Word has length 103 [2018-11-07 12:45:11,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:45:11,787 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 553 transitions. [2018-11-07 12:45:11,787 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 12:45:11,787 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 553 transitions. [2018-11-07 12:45:11,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-07 12:45:11,796 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:45:11,796 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:45:11,797 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:45:11,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:45:11,798 INFO L82 PathProgramCache]: Analyzing trace with hash 58234702, now seen corresponding path program 1 times [2018-11-07 12:45:11,798 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:45:11,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:45:11,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:45:11,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:45:11,801 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:45:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:45:12,055 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 12:45:12,212 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:45:12,213 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 12:45:12,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 12:45:12,213 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:45:12,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 12:45:12,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 12:45:12,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 12:45:12,216 INFO L87 Difference]: Start difference. First operand 340 states and 553 transitions. Second operand 6 states. [2018-11-07 12:45:14,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:45:14,394 INFO L93 Difference]: Finished difference Result 1075 states and 1835 transitions. [2018-11-07 12:45:14,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 12:45:14,398 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 114 [2018-11-07 12:45:14,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:45:14,407 INFO L225 Difference]: With dead ends: 1075 [2018-11-07 12:45:14,408 INFO L226 Difference]: Without dead ends: 741 [2018-11-07 12:45:14,413 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 12:45:14,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-07 12:45:14,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-11-07 12:45:14,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-11-07 12:45:14,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1145 transitions. [2018-11-07 12:45:14,476 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1145 transitions. Word has length 114 [2018-11-07 12:45:14,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:45:14,477 INFO L480 AbstractCegarLoop]: Abstraction has 724 states and 1145 transitions. [2018-11-07 12:45:14,477 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 12:45:14,477 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1145 transitions. [2018-11-07 12:45:14,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-07 12:45:14,492 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:45:14,494 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:45:14,494 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:45:14,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:45:14,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1208092159, now seen corresponding path program 1 times [2018-11-07 12:45:14,495 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:45:14,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:45:14,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:45:14,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:45:14,497 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:45:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:45:15,001 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:45:15,001 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:45:15,001 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:45:15,002 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 140 with the following transitions: [2018-11-07 12:45:15,005 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 12:45:15,073 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:45:15,073 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:45:19,517 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 12:45:19,518 INFO L272 AbstractInterpreter]: Visited 107 different actions 172 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 12:45:19,565 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:45:19,565 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 12:45:21,175 INFO L227 lantSequenceWeakener]: Weakened 136 states. On average, predicates are now at 80.22% of their original sizes. [2018-11-07 12:45:21,176 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 12:45:21,487 INFO L415 sIntCurrentIteration]: We unified 138 AI predicates to 138 [2018-11-07 12:45:21,487 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 12:45:21,488 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:45:21,488 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-07 12:45:21,488 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:45:21,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 12:45:21,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 12:45:21,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-07 12:45:21,490 INFO L87 Difference]: Start difference. First operand 724 states and 1145 transitions. Second operand 11 states. [2018-11-07 12:45:35,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:45:35,542 INFO L93 Difference]: Finished difference Result 2260 states and 3642 transitions. [2018-11-07 12:45:35,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-07 12:45:35,543 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 139 [2018-11-07 12:45:35,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:45:35,552 INFO L225 Difference]: With dead ends: 2260 [2018-11-07 12:45:35,552 INFO L226 Difference]: Without dead ends: 1542 [2018-11-07 12:45:35,557 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 149 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2018-11-07 12:45:35,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1542 states. [2018-11-07 12:45:35,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1542 to 1529. [2018-11-07 12:45:35,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1529 states. [2018-11-07 12:45:35,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1529 states and 2035 transitions. [2018-11-07 12:45:35,614 INFO L78 Accepts]: Start accepts. Automaton has 1529 states and 2035 transitions. Word has length 139 [2018-11-07 12:45:35,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:45:35,615 INFO L480 AbstractCegarLoop]: Abstraction has 1529 states and 2035 transitions. [2018-11-07 12:45:35,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 12:45:35,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 2035 transitions. [2018-11-07 12:45:35,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-07 12:45:35,620 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:45:35,621 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:45:35,621 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:45:35,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:45:35,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1202737980, now seen corresponding path program 1 times [2018-11-07 12:45:35,622 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:45:35,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:45:35,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:45:35,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:45:35,623 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:45:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:45:35,827 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 52 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-07 12:45:35,828 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:45:35,828 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:45:35,828 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-11-07 12:45:35,828 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 12:45:35,836 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:45:35,836 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:45:37,310 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 12:45:37,311 INFO L272 AbstractInterpreter]: Visited 108 different actions 175 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 12:45:37,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:45:37,322 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 12:45:38,676 INFO L227 lantSequenceWeakener]: Weakened 61 states. On average, predicates are now at 81.02% of their original sizes. [2018-11-07 12:45:38,676 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 12:45:39,568 INFO L415 sIntCurrentIteration]: We unified 151 AI predicates to 151 [2018-11-07 12:45:39,568 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 12:45:39,569 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:45:39,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-11-07 12:45:39,569 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:45:39,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-07 12:45:39,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-07 12:45:39,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-07 12:45:39,571 INFO L87 Difference]: Start difference. First operand 1529 states and 2035 transitions. Second operand 19 states. [2018-11-07 12:46:00,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:46:00,536 INFO L93 Difference]: Finished difference Result 3337 states and 4503 transitions. [2018-11-07 12:46:00,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-07 12:46:00,536 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 152 [2018-11-07 12:46:00,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:46:00,545 INFO L225 Difference]: With dead ends: 3337 [2018-11-07 12:46:00,545 INFO L226 Difference]: Without dead ends: 1950 [2018-11-07 12:46:00,550 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 163 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=207, Invalid=723, Unknown=0, NotChecked=0, Total=930 [2018-11-07 12:46:00,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2018-11-07 12:46:00,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1940. [2018-11-07 12:46:00,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1940 states. [2018-11-07 12:46:00,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1940 states to 1940 states and 2487 transitions. [2018-11-07 12:46:00,611 INFO L78 Accepts]: Start accepts. Automaton has 1940 states and 2487 transitions. Word has length 152 [2018-11-07 12:46:00,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:46:00,612 INFO L480 AbstractCegarLoop]: Abstraction has 1940 states and 2487 transitions. [2018-11-07 12:46:00,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-07 12:46:00,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1940 states and 2487 transitions. [2018-11-07 12:46:00,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-07 12:46:00,618 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:46:00,618 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:46:00,618 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:46:00,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:46:00,619 INFO L82 PathProgramCache]: Analyzing trace with hash 947455991, now seen corresponding path program 1 times [2018-11-07 12:46:00,619 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:46:00,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:46:00,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:46:00,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:46:00,620 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:46:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:46:00,885 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 66 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-07 12:46:00,885 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:46:00,885 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:46:00,885 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 165 with the following transitions: [2018-11-07 12:46:00,886 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 12:46:00,890 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:46:00,890 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:46:03,468 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 12:46:03,468 INFO L272 AbstractInterpreter]: Visited 109 different actions 290 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-07 12:46:03,474 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:46:03,474 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 12:46:04,286 INFO L227 lantSequenceWeakener]: Weakened 161 states. On average, predicates are now at 80.26% of their original sizes. [2018-11-07 12:46:04,287 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 12:46:04,390 INFO L415 sIntCurrentIteration]: We unified 163 AI predicates to 163 [2018-11-07 12:46:04,390 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 12:46:04,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:46:04,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-11-07 12:46:04,390 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:46:04,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 12:46:04,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 12:46:04,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-07 12:46:04,392 INFO L87 Difference]: Start difference. First operand 1940 states and 2487 transitions. Second operand 10 states. [2018-11-07 12:46:12,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:46:12,304 INFO L93 Difference]: Finished difference Result 3540 states and 4667 transitions. [2018-11-07 12:46:12,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-07 12:46:12,304 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 164 [2018-11-07 12:46:12,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:46:12,315 INFO L225 Difference]: With dead ends: 3540 [2018-11-07 12:46:12,315 INFO L226 Difference]: Without dead ends: 2153 [2018-11-07 12:46:12,320 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 171 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-11-07 12:46:12,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2018-11-07 12:46:12,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 1861. [2018-11-07 12:46:12,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1861 states. [2018-11-07 12:46:12,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1861 states to 1861 states and 2424 transitions. [2018-11-07 12:46:12,376 INFO L78 Accepts]: Start accepts. Automaton has 1861 states and 2424 transitions. Word has length 164 [2018-11-07 12:46:12,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:46:12,376 INFO L480 AbstractCegarLoop]: Abstraction has 1861 states and 2424 transitions. [2018-11-07 12:46:12,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 12:46:12,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1861 states and 2424 transitions. [2018-11-07 12:46:12,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-07 12:46:12,383 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:46:12,383 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:46:12,383 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:46:12,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:46:12,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1287400588, now seen corresponding path program 1 times [2018-11-07 12:46:12,384 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:46:12,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:46:12,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:46:12,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:46:12,385 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:46:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:46:12,528 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 88 proven. 20 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-07 12:46:12,528 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:46:12,528 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:46:12,528 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 185 with the following transitions: [2018-11-07 12:46:12,529 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 12:46:12,532 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:46:12,533 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:46:17,029 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 12:46:17,030 INFO L272 AbstractInterpreter]: Visited 111 different actions 523 times. Merged at 10 different actions 50 times. Widened at 1 different actions 1 times. Found 12 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-07 12:46:17,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:46:17,041 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 12:46:17,041 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:46:17,041 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 12:46:17,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:46:17,054 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 12:46:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:46:17,180 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 12:46:17,400 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-11-07 12:46:17,400 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 12:46:17,807 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-07 12:46:18,520 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 88 proven. 20 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-07 12:46:18,543 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 12:46:18,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-11-07 12:46:18,543 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 12:46:18,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-07 12:46:18,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-07 12:46:18,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-07 12:46:18,544 INFO L87 Difference]: Start difference. First operand 1861 states and 2424 transitions. Second operand 8 states. [2018-11-07 12:46:23,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:46:23,874 INFO L93 Difference]: Finished difference Result 6103 states and 8697 transitions. [2018-11-07 12:46:23,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-07 12:46:23,876 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 184 [2018-11-07 12:46:23,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:46:23,891 INFO L225 Difference]: With dead ends: 6103 [2018-11-07 12:46:23,891 INFO L226 Difference]: Without dead ends: 2933 [2018-11-07 12:46:23,910 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-11-07 12:46:23,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2933 states. [2018-11-07 12:46:23,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2933 to 2747. [2018-11-07 12:46:23,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2747 states. [2018-11-07 12:46:23,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2747 states to 2747 states and 3337 transitions. [2018-11-07 12:46:23,992 INFO L78 Accepts]: Start accepts. Automaton has 2747 states and 3337 transitions. Word has length 184 [2018-11-07 12:46:23,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:46:23,993 INFO L480 AbstractCegarLoop]: Abstraction has 2747 states and 3337 transitions. [2018-11-07 12:46:23,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-07 12:46:23,993 INFO L276 IsEmpty]: Start isEmpty. Operand 2747 states and 3337 transitions. [2018-11-07 12:46:24,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-07 12:46:24,002 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:46:24,002 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:46:24,003 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:46:24,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:46:24,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1873320624, now seen corresponding path program 1 times [2018-11-07 12:46:24,003 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:46:24,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:46:24,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:46:24,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:46:24,005 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:46:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:46:24,494 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-07 12:46:24,667 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 92 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-07 12:46:24,667 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:46:24,667 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:46:24,667 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 186 with the following transitions: [2018-11-07 12:46:24,668 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 12:46:24,674 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:46:24,674 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:46:27,222 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 12:46:27,222 INFO L272 AbstractInterpreter]: Visited 108 different actions 175 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 12:46:27,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:46:27,239 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 12:46:29,795 INFO L227 lantSequenceWeakener]: Weakened 72 states. On average, predicates are now at 80.87% of their original sizes. [2018-11-07 12:46:29,795 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 12:46:30,723 INFO L415 sIntCurrentIteration]: We unified 184 AI predicates to 184 [2018-11-07 12:46:30,723 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 12:46:30,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:46:30,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [6] total 27 [2018-11-07 12:46:30,724 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:46:30,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-07 12:46:30,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-07 12:46:30,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2018-11-07 12:46:30,726 INFO L87 Difference]: Start difference. First operand 2747 states and 3337 transitions. Second operand 23 states. [2018-11-07 12:46:56,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:46:56,855 INFO L93 Difference]: Finished difference Result 5772 states and 7052 transitions. [2018-11-07 12:46:56,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-07 12:46:56,856 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 185 [2018-11-07 12:46:56,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:46:56,870 INFO L225 Difference]: With dead ends: 5772 [2018-11-07 12:46:56,870 INFO L226 Difference]: Without dead ends: 3305 [2018-11-07 12:46:56,878 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 198 GetRequests, 157 SyntacticMatches, 6 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=319, Invalid=1013, Unknown=0, NotChecked=0, Total=1332 [2018-11-07 12:46:56,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3305 states. [2018-11-07 12:46:56,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3305 to 2885. [2018-11-07 12:46:56,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2885 states. [2018-11-07 12:46:56,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2885 states to 2885 states and 3483 transitions. [2018-11-07 12:46:56,953 INFO L78 Accepts]: Start accepts. Automaton has 2885 states and 3483 transitions. Word has length 185 [2018-11-07 12:46:56,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:46:56,953 INFO L480 AbstractCegarLoop]: Abstraction has 2885 states and 3483 transitions. [2018-11-07 12:46:56,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-07 12:46:56,954 INFO L276 IsEmpty]: Start isEmpty. Operand 2885 states and 3483 transitions. [2018-11-07 12:46:56,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-07 12:46:56,962 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:46:56,962 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:46:56,963 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:46:56,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:46:56,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1933368109, now seen corresponding path program 1 times [2018-11-07 12:46:56,963 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:46:56,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:46:56,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:46:56,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:46:56,964 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:46:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:46:57,253 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 44 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-07 12:46:57,253 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:46:57,253 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:46:57,254 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 195 with the following transitions: [2018-11-07 12:46:57,254 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 12:46:57,258 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:46:57,258 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:47:02,674 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 12:47:02,674 INFO L272 AbstractInterpreter]: Visited 110 different actions 515 times. Merged at 9 different actions 47 times. Widened at 1 different actions 1 times. Found 11 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-07 12:47:02,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:47:02,681 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 12:47:02,681 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:47:02,681 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 12:47:02,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:47:02,700 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 12:47:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:47:02,795 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 12:47:02,891 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 108 proven. 2 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-07 12:47:02,892 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 12:47:03,525 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 96 proven. 36 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-07 12:47:03,547 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 12:47:03,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-07 12:47:03,548 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 12:47:03,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 12:47:03,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 12:47:03,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-07 12:47:03,549 INFO L87 Difference]: Start difference. First operand 2885 states and 3483 transitions. Second operand 11 states. [2018-11-07 12:47:06,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:47:06,698 INFO L93 Difference]: Finished difference Result 10360 states and 13217 transitions. [2018-11-07 12:47:06,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-07 12:47:06,699 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 194 [2018-11-07 12:47:06,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:47:06,730 INFO L225 Difference]: With dead ends: 10360 [2018-11-07 12:47:06,730 INFO L226 Difference]: Without dead ends: 7755 [2018-11-07 12:47:06,747 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 391 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-11-07 12:47:06,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7755 states. [2018-11-07 12:47:06,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7755 to 7730. [2018-11-07 12:47:06,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7730 states. [2018-11-07 12:47:06,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7730 states to 7730 states and 9389 transitions. [2018-11-07 12:47:06,959 INFO L78 Accepts]: Start accepts. Automaton has 7730 states and 9389 transitions. Word has length 194 [2018-11-07 12:47:06,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:47:06,960 INFO L480 AbstractCegarLoop]: Abstraction has 7730 states and 9389 transitions. [2018-11-07 12:47:06,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 12:47:06,960 INFO L276 IsEmpty]: Start isEmpty. Operand 7730 states and 9389 transitions. [2018-11-07 12:47:06,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-07 12:47:06,978 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:47:06,979 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:47:06,979 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:47:06,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:47:06,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1110888389, now seen corresponding path program 2 times [2018-11-07 12:47:06,980 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:47:06,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:47:06,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:47:06,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:47:06,981 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:47:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:47:07,610 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-07 12:47:07,611 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:47:07,611 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:47:07,611 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-07 12:47:07,611 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 12:47:07,611 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:47:07,611 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 12:47:07,620 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-07 12:47:07,620 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-07 12:47:07,695 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-07 12:47:07,695 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-07 12:47:07,704 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 12:47:07,831 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-07 12:47:07,832 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 12:47:08,005 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-07 12:47:08,027 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:47:08,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-07 12:47:08,027 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:47:08,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 12:47:08,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 12:47:08,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-07 12:47:08,028 INFO L87 Difference]: Start difference. First operand 7730 states and 9389 transitions. Second operand 3 states. [2018-11-07 12:47:08,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:47:08,817 INFO L93 Difference]: Finished difference Result 13101 states and 15866 transitions. [2018-11-07 12:47:08,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 12:47:08,818 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2018-11-07 12:47:08,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:47:08,843 INFO L225 Difference]: With dead ends: 13101 [2018-11-07 12:47:08,844 INFO L226 Difference]: Without dead ends: 7980 [2018-11-07 12:47:08,858 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 389 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-07 12:47:08,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7980 states. [2018-11-07 12:47:09,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7980 to 7844. [2018-11-07 12:47:09,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7844 states. [2018-11-07 12:47:09,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7844 states to 7844 states and 9510 transitions. [2018-11-07 12:47:09,040 INFO L78 Accepts]: Start accepts. Automaton has 7844 states and 9510 transitions. Word has length 194 [2018-11-07 12:47:09,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:47:09,040 INFO L480 AbstractCegarLoop]: Abstraction has 7844 states and 9510 transitions. [2018-11-07 12:47:09,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 12:47:09,041 INFO L276 IsEmpty]: Start isEmpty. Operand 7844 states and 9510 transitions. [2018-11-07 12:47:09,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-07 12:47:09,070 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:47:09,071 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:47:09,071 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:47:09,071 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:47:09,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1235901377, now seen corresponding path program 1 times [2018-11-07 12:47:09,072 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:47:09,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:47:09,073 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-07 12:47:09,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:47:09,073 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:47:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:47:09,750 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 139 proven. 64 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-07 12:47:09,750 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:47:09,750 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:47:09,750 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 244 with the following transitions: [2018-11-07 12:47:09,751 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [261], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 12:47:09,753 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:47:09,754 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:47:15,172 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 12:47:15,172 INFO L272 AbstractInterpreter]: Visited 110 different actions 515 times. Merged at 9 different actions 48 times. Widened at 1 different actions 1 times. Found 11 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-07 12:47:15,180 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:47:15,180 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 12:47:15,180 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:47:15,180 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 12:47:15,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:47:15,191 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 12:47:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:47:15,287 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 12:47:15,484 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 126 proven. 2 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-11-07 12:47:15,485 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 12:47:15,580 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 145 proven. 14 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-07 12:47:15,600 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 12:47:15,600 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-11-07 12:47:15,600 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 12:47:15,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-07 12:47:15,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-07 12:47:15,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-11-07 12:47:15,601 INFO L87 Difference]: Start difference. First operand 7844 states and 9510 transitions. Second operand 12 states. [2018-11-07 12:47:21,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:47:21,305 INFO L93 Difference]: Finished difference Result 25816 states and 33574 transitions. [2018-11-07 12:47:21,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-11-07 12:47:21,305 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 243 [2018-11-07 12:47:21,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:47:21,306 INFO L225 Difference]: With dead ends: 25816 [2018-11-07 12:47:21,306 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 12:47:21,372 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 567 GetRequests, 518 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=512, Invalid=1938, Unknown=0, NotChecked=0, Total=2450 [2018-11-07 12:47:21,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 12:47:21,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 12:47:21,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 12:47:21,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 12:47:21,374 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 243 [2018-11-07 12:47:21,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:47:21,374 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 12:47:21,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-07 12:47:21,374 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 12:47:21,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 12:47:21,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 12:47:21,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,745 WARN L179 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 208 [2018-11-07 12:47:22,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:22,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:47:23,320 WARN L179 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 197 [2018-11-07 12:47:23,556 WARN L179 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2018-11-07 12:47:23,972 WARN L179 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 86 [2018-11-07 12:47:30,584 WARN L179 SmtUtils]: Spent 6.57 s on a formula simplification. DAG size of input: 482 DAG size of output: 174 [2018-11-07 12:47:31,745 WARN L179 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 231 DAG size of output: 116 [2018-11-07 12:47:32,534 WARN L179 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 119 [2018-11-07 12:47:32,538 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 12:47:32,538 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a8~0 |old(~a8~0)|) (= ~a7~0 |old(~a7~0)|) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0)) [2018-11-07 12:47:32,538 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 12:47:32,538 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-07 12:47:32,538 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-07 12:47:32,539 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,539 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,539 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,539 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,539 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,539 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,539 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-07 12:47:32,539 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-07 12:47:32,540 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-07 12:47:32,540 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-07 12:47:32,540 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-07 12:47:32,540 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-07 12:47:32,540 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-07 12:47:32,540 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-07 12:47:32,540 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-07 12:47:32,540 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-07 12:47:32,540 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,540 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,540 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,540 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,540 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,541 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,541 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-07 12:47:32,541 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-07 12:47:32,541 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-07 12:47:32,541 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-07 12:47:32,541 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-07 12:47:32,541 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-07 12:47:32,541 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-07 12:47:32,541 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-07 12:47:32,541 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-07 12:47:32,542 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-07 12:47:32,542 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-07 12:47:32,542 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-07 12:47:32,542 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-07 12:47:32,542 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-07 12:47:32,542 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-07 12:47:32,542 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,542 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,542 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,542 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,542 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,542 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-07 12:47:32,542 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-07 12:47:32,543 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-07 12:47:32,543 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-07 12:47:32,543 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-07 12:47:32,543 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-07 12:47:32,543 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-07 12:47:32,543 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-07 12:47:32,543 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-07 12:47:32,543 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,543 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,543 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,543 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,544 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,544 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-07 12:47:32,544 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-07 12:47:32,544 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-07 12:47:32,544 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-07 12:47:32,544 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-07 12:47:32,544 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-07 12:47:32,544 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-07 12:47:32,544 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-07 12:47:32,545 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-07 12:47:32,545 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-07 12:47:32,545 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 464) no Hoare annotation was computed. [2018-11-07 12:47:32,545 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-07 12:47:32,545 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-07 12:47:32,545 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-07 12:47:32,545 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,545 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,546 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,546 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,546 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,546 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-07 12:47:32,546 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-07 12:47:32,546 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-07 12:47:32,546 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-07 12:47:32,546 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-07 12:47:32,546 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-07 12:47:32,547 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-07 12:47:32,547 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-07 12:47:32,547 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-07 12:47:32,547 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,547 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,547 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,547 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,547 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,547 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,547 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,548 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-07 12:47:32,548 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-07 12:47:32,548 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-07 12:47:32,548 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-07 12:47:32,548 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-07 12:47:32,548 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-07 12:47:32,548 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-07 12:47:32,548 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-07 12:47:32,548 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-07 12:47:32,548 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-07 12:47:32,549 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-07 12:47:32,549 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-07 12:47:32,549 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-07 12:47:32,549 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-07 12:47:32,549 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,549 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,549 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,549 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,549 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,549 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-07 12:47:32,550 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-07 12:47:32,550 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-07 12:47:32,550 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-07 12:47:32,550 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-07 12:47:32,550 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-07 12:47:32,550 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-07 12:47:32,550 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-07 12:47:32,550 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,550 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,551 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,551 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,551 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,551 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-07 12:47:32,551 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-07 12:47:32,551 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-07 12:47:32,551 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-07 12:47:32,551 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-07 12:47:32,551 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-07 12:47:32,551 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-07 12:47:32,551 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-07 12:47:32,551 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-07 12:47:32,551 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-07 12:47:32,552 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse9 (<= ~a8~0 |old(~a8~0)|)) (.cse6 (= ~a7~0 |old(~a7~0)|)) (.cse32 (not (= ~a8~0 13))) (.cse4 (< 13 |old(~a8~0)|)) (.cse28 (not (= 1 |old(~a7~0)|))) (.cse8 (= 1 |old(~a20~0)|)) (.cse1 (= 1 |old(~a17~0)|)) (.cse31 (= ~a21~0 1)) (.cse33 (<= 13 ~a8~0)) (.cse39 (= 1 |old(~a21~0)|)) (.cse10 (= |old(~a20~0)| ~a20~0)) (.cse11 (= ~a17~0 |old(~a17~0)|)) (.cse5 (<= ~a8~0 13)) (.cse30 (= 1 ~a7~0)) (.cse7 (= |old(~a16~0)| ~a16~0))) (let ((.cse16 (< 15 |old(~a8~0)|)) (.cse0 (<= 15 ~a8~0)) (.cse2 (< |old(~a8~0)| 15)) (.cse27 (and .cse5 .cse30 .cse7)) (.cse36 (not (= 0 |old(~a7~0)|))) (.cse25 (< 0 |old(~a20~0)|)) (.cse38 (and .cse10 .cse11)) (.cse29 (< 0 |old(~a17~0)|)) (.cse14 (< 6 |calculate_output_#in~input|)) (.cse15 (not .cse39)) (.cse20 (and .cse31 .cse33)) (.cse18 (not (= 8 ~a12~0))) (.cse13 (not .cse1)) (.cse12 (not .cse8)) (.cse19 (< 5 |old(~a16~0)|)) (.cse21 (< |old(~a16~0)| 4)) (.cse22 (< 1 |old(~a7~0)|)) (.cse23 (< |old(~a8~0)| 13)) (.cse24 (< |old(~a7~0)| 0)) (.cse26 (< |calculate_output_#in~input| 1)) (.cse35 (or .cse4 .cse39 (< |old(~a20~0)| 1) .cse28)) (.cse34 (and (not .cse31) .cse5 .cse30 .cse10 .cse11 .cse7)) (.cse3 (= 6 |old(~a16~0)|)) (.cse17 (= 13 |old(~a8~0)|)) (.cse37 (and .cse9 .cse6 .cse10 .cse11 .cse7 .cse32))) (and (or .cse0 .cse1 .cse2) (or .cse3 (= |old(~a7~0)| 1) .cse4 (and .cse5 .cse6 .cse7)) (or .cse3 .cse0 .cse8 .cse2) (or (and .cse9 .cse6 .cse10 .cse11 .cse7) .cse4 .cse12 .cse13) (or .cse14 .cse15 .cse16 .cse17 .cse18 (< |old(~a20~0)| 0) .cse13 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26) (or .cse3 .cse4 .cse27 .cse28 .cse29) (or .cse28 .cse2 (and .cse9 .cse30 .cse0 .cse7)) (or .cse14 .cse15 .cse16 (and .cse7 .cse31 .cse32 .cse9 .cse6 .cse11 .cse33 (= ~a20~0 1)) .cse17 .cse18 .cse13 .cse12 .cse19 .cse21 .cse22 .cse23 .cse24 .cse26) (or .cse0 .cse2 .cse25) (or .cse34 .cse35) (or (or (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= ~x~0 24)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) .cse26 .cse36 .cse14 (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= ~a~0 1)) (not (= |old(~a8~0)| 15)) (not (= 6 ~f~0))) (= ~a8~0 15)) (or .cse3 .cse4 .cse27 .cse1 .cse28 .cse8) (or .cse31 .cse29 (or .cse36 .cse15 .cse18 (< |old(~a16~0)| 5) (< 6 |old(~a16~0)|) .cse12 (not (= 15 |old(~a8~0)|)) (< |old(~a17~0)| 0))) (or .cse37 .cse17 .cse25) (or .cse17 .cse1 .cse37) (or .cse3 .cse38 .cse1 .cse8) (or .cse3 .cse38 .cse29) (or .cse14 .cse15 .cse4 .cse20 .cse18 .cse13 .cse12 .cse19 .cse21 .cse22 .cse23 .cse24 .cse26) (or .cse9 .cse35) (or .cse3 .cse4 .cse39 .cse28 .cse34) (or .cse3 .cse17 .cse37 .cse8)))) [2018-11-07 12:47:32,552 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-07 12:47:32,552 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,552 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,552 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,552 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,553 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,553 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-07 12:47:32,553 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,553 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-07 12:47:32,553 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-07 12:47:32,553 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-07 12:47:32,553 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-07 12:47:32,553 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-07 12:47:32,553 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-07 12:47:32,554 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-07 12:47:32,554 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-07 12:47:32,554 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-07 12:47:32,554 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-07 12:47:32,554 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-07 12:47:32,554 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-07 12:47:32,554 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,554 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,554 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,555 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,555 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,555 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,555 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-07 12:47:32,555 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-07 12:47:32,555 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-07 12:47:32,555 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-07 12:47:32,555 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-07 12:47:32,555 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-07 12:47:32,555 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-07 12:47:32,556 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-07 12:47:32,556 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-07 12:47:32,556 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-07 12:47:32,556 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-07 12:47:32,556 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-07 12:47:32,556 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-07 12:47:32,556 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-07 12:47:32,556 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-07 12:47:32,556 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,556 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,557 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,557 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,557 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,557 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-07 12:47:32,557 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-07 12:47:32,557 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-07 12:47:32,557 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-07 12:47:32,557 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-07 12:47:32,557 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-07 12:47:32,557 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-07 12:47:32,557 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-07 12:47:32,558 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-07 12:47:32,558 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-07 12:47:32,558 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-07 12:47:32,558 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 12:47:32,558 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~a8~0 15) (= ~z~0 26) (= ~a17~0 1) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~a7~0 0) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~b~0 2) (= ~a~0 1) (= ~a12~0 8) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-07 12:47:32,558 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 12:47:32,558 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 12:47:32,558 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= |old(~a16~0)| 5)) (and (= ~a8~0 15) (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= |old(~a7~0)| 0)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= ~x~0 24)) (not (= |old(~a17~0)| 1)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= |old(~a8~0)| 15)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-11-07 12:47:32,558 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-07 12:47:32,559 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse7 (= ~a21~0 1))) (let ((.cse0 (not (= ~a17~0 1))) (.cse4 (not .cse7)) (.cse5 (<= ~a8~0 13)) (.cse6 (= 1 ~a7~0)) (.cse2 (not (= ~a20~0 1))) (.cse3 (not (= ~a16~0 6))) (.cse8 (<= ~a20~0 0)) (.cse1 (not (= ~a8~0 13)))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse0) (and .cse4 .cse5 .cse6 (<= 1 ~a20~0)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (and .cse5 (= ~a7~0 |old(~a7~0)|) .cse3) (and .cse3 (<= ~a17~0 0)) (and (<= ~a7~0 1) (<= 1 main_~input~0) (<= main_~input~0 6) (<= ~a16~0 5) .cse7 (<= ~a8~0 15) (<= 0 ~a7~0) .cse1 (<= 4 ~a16~0)) (and .cse4 .cse6 .cse3 .cse8) (not (= ~x~0 24)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= ~d~0 4)) (and .cse5 (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|)) (and (<= ~a8~0 |old(~a8~0)|) .cse6 (<= 15 ~a8~0)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (and .cse2 .cse3 .cse1) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) (and .cse8 .cse1) (not (= 0 |old(~a7~0)|)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 1)) (not (= |old(~a8~0)| 15)) (not (= 6 ~f~0))))) [2018-11-07 12:47:32,559 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-07 12:47:32,559 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-07 12:47:32,559 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-07 12:47:32,559 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse8 (= ~a21~0 1))) (let ((.cse0 (not (= ~a17~0 1))) (.cse4 (not .cse8)) (.cse5 (<= ~a8~0 13)) (.cse6 (= 1 ~a7~0)) (.cse2 (not (= ~a20~0 1))) (.cse3 (not (= ~a16~0 6))) (.cse7 (<= ~a20~0 0)) (.cse1 (not (= ~a8~0 13)))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse0) (and .cse4 .cse5 .cse6 (<= 1 ~a20~0)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (and .cse5 (= ~a7~0 |old(~a7~0)|) .cse3) (and .cse3 (<= ~a17~0 0)) (and .cse4 .cse6 .cse3 .cse7) (not (= ~x~0 24)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= ~d~0 4)) (and .cse5 (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|)) (and (<= ~a8~0 |old(~a8~0)|) .cse6 (<= 15 ~a8~0)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (and .cse2 .cse3 .cse1) (and (<= ~a7~0 1) (<= ~a16~0 5) .cse8 (<= ~a8~0 15) (<= 0 ~a7~0) .cse1 (<= 4 ~a16~0)) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) (and .cse7 .cse1) (not (= 0 |old(~a7~0)|)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 1)) (not (= |old(~a8~0)| 15)) (not (= 6 ~f~0))))) [2018-11-07 12:47:32,560 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-07 12:47:32,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:47:32 BoogieIcfgContainer [2018-11-07 12:47:32,576 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 12:47:32,577 INFO L168 Benchmark]: Toolchain (without parser) took 147701.22 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -528.1 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-11-07 12:47:32,578 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 12:47:32,578 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.31 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-11-07 12:47:32,579 INFO L168 Benchmark]: Boogie Procedure Inliner took 163.92 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -824.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-11-07 12:47:32,580 INFO L168 Benchmark]: Boogie Preprocessor took 104.57 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. [2018-11-07 12:47:32,580 INFO L168 Benchmark]: RCFGBuilder took 3053.51 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: 120.0 MB). Peak memory consumption was 120.0 MB. Max. memory is 7.1 GB. [2018-11-07 12:47:32,581 INFO L168 Benchmark]: TraceAbstraction took 143621.08 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 134.0 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-11-07 12:47:32,586 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 752.31 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 163.92 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -824.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.57 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 3053.51 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: 120.0 MB). Peak memory consumption was 120.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 143621.08 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 134.0 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 464]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((!(a17 == 1) && !(a8 == 13)) || ((!(a20 == 1) && !(a16 == 6)) && !(a17 == 1))) || (((!(a21 == 1) && a8 <= 13) && 1 == a7) && 1 <= a20)) || !(\old(a21) == 1)) || !(b == 2)) || !(y == 25)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (!(a16 == 6) && a17 <= 0)) || (((!(a21 == 1) && 1 == a7) && !(a16 == 6)) && a20 <= 0)) || !(x == 24)) || !(a12 == 8)) || !(e == 5)) || !(d == 4)) || ((a8 <= 13 && \old(a20) == a20) && a17 == \old(a17))) || ((a8 <= \old(a8) && 1 == a7) && 15 <= a8)) || !(21 == u)) || !(22 == v)) || ((!(a20 == 1) && !(a16 == 6)) && !(a8 == 13))) || ((((((a7 <= 1 && a16 <= 5) && a21 == 1) && a8 <= 15) && 0 <= a7) && !(a8 == 13)) && 4 <= a16)) || !(z == 26)) || !(\old(a16) == 5)) || (a20 <= 0 && !(a8 == 13))) || !(0 == \old(a7))) || !(3 == c)) || !(\old(a20) == 1)) || !(23 == w)) || !(a == 1)) || !(\old(a17) == 1)) || !(\old(a8) == 15)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 143.5s OverallTime, 10 OverallIterations, 6 TraceHistogramMax, 88.3s AutomataDifference, 0.0s DeadEndRemovalTime, 11.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1602 SDtfs, 13646 SDslu, 2229 SDs, 0 SdLazy, 17538 SolverSat, 3227 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 47.5s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 2485 GetRequests, 2261 SyntacticMatches, 12 SemanticMatches, 212 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1555 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7844occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 26.5s AbstIntTime, 7 AbstIntIterations, 4 AbstIntStrong, 0.9965394883304897 AbsIntWeakeningRatio, 0.2578616352201258 AbsIntAvgWeakeningVarsNumRemoved, 21.29559748427673 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 1099 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 391 PreInvPairs, 833 NumberOfFragments, 1291 HoareAnnotationTreeSize, 391 FomulaSimplifications, 31837 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 13066 FormulaSimplificationTreeSizeReductionInter, 9.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 2487 NumberOfCodeBlocks, 2420 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3284 ConstructedInterpolants, 0 QuantifiedInterpolants, 1127512 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2194 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 18 InterpolantComputations, 4 PerfectInterpolantSequences, 2302/2598 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...