java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label30_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 12:54:41,814 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 12:54:41,817 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 12:54:41,832 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 12:54:41,832 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 12:54:41,833 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 12:54:41,835 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 12:54:41,837 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 12:54:41,838 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 12:54:41,839 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 12:54:41,841 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 12:54:41,842 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 12:54:41,842 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 12:54:41,844 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 12:54:41,845 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 12:54:41,846 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 12:54:41,846 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 12:54:41,848 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 12:54:41,854 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 12:54:41,858 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 12:54:41,859 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 12:54:41,864 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 12:54:41,867 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 12:54:41,867 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 12:54:41,867 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 12:54:41,868 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 12:54:41,869 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 12:54:41,872 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 12:54:41,873 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 12:54:41,874 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 12:54:41,874 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 12:54:41,875 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 12:54:41,875 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 12:54:41,875 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 12:54:41,876 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 12:54:41,877 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 12:54:41,877 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 12:54:41,892 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 12:54:41,892 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 12:54:41,893 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 12:54:41,893 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 12:54:41,893 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 12:54:41,893 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 12:54:41,894 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 12:54:41,894 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 12:54:41,894 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 12:54:41,894 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 12:54:41,894 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 12:54:41,894 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 12:54:41,897 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 12:54:41,898 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 12:54:41,898 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 12:54:41,898 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 12:54:41,898 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 12:54:41,898 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 12:54:41,898 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 12:54:41,899 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 12:54:41,899 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 12:54:41,899 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 12:54:41,899 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 12:54:41,900 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 12:54:41,900 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 12:54:41,900 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 12:54:41,900 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 12:54:41,900 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 12:54:41,901 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 12:54:41,901 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 12:54:41,901 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 12:54:41,901 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 12:54:41,901 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 12:54:41,901 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 12:54:41,945 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 12:54:41,958 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 12:54:41,962 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 12:54:41,963 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 12:54:41,964 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 12:54:41,964 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label30_true-unreach-call_false-termination.c [2018-11-07 12:54:42,031 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df19e1c1/2021f8bd8dea48b58060fb991bd6523f/FLAGd81517f30 [2018-11-07 12:54:42,622 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 12:54:42,623 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label30_true-unreach-call_false-termination.c [2018-11-07 12:54:42,638 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df19e1c1/2021f8bd8dea48b58060fb991bd6523f/FLAGd81517f30 [2018-11-07 12:54:42,653 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df19e1c1/2021f8bd8dea48b58060fb991bd6523f [2018-11-07 12:54:42,664 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 12:54:42,666 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 12:54:42,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 12:54:42,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 12:54:42,671 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 12:54:42,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:54:42" (1/1) ... [2018-11-07 12:54:42,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45dc7a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:42, skipping insertion in model container [2018-11-07 12:54:42,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:54:42" (1/1) ... [2018-11-07 12:54:42,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 12:54:42,741 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 12:54:43,216 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 12:54:43,224 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 12:54:43,411 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 12:54:43,431 INFO L193 MainTranslator]: Completed translation [2018-11-07 12:54:43,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:43 WrapperNode [2018-11-07 12:54:43,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 12:54:43,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 12:54:43,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 12:54:43,433 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 12:54:43,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:43" (1/1) ... [2018-11-07 12:54:43,562 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:43" (1/1) ... [2018-11-07 12:54:43,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 12:54:43,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 12:54:43,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 12:54:43,570 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 12:54:43,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:43" (1/1) ... [2018-11-07 12:54:43,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:43" (1/1) ... [2018-11-07 12:54:43,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:43" (1/1) ... [2018-11-07 12:54:43,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:43" (1/1) ... [2018-11-07 12:54:43,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:43" (1/1) ... [2018-11-07 12:54:43,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:43" (1/1) ... [2018-11-07 12:54:43,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:43" (1/1) ... [2018-11-07 12:54:43,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 12:54:43,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 12:54:43,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 12:54:43,681 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 12:54:43,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:43" (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 12:54:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 12:54:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 12:54:43,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 12:54:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 12:54:43,754 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 12:54:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 12:54:43,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 12:54:43,755 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 12:54:43,755 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 12:54:46,854 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 12:54:46,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:54:46 BoogieIcfgContainer [2018-11-07 12:54:46,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 12:54:46,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 12:54:46,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 12:54:46,866 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 12:54:46,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:54:42" (1/3) ... [2018-11-07 12:54:46,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@514b7d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:54:46, skipping insertion in model container [2018-11-07 12:54:46,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:43" (2/3) ... [2018-11-07 12:54:46,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@514b7d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:54:46, skipping insertion in model container [2018-11-07 12:54:46,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:54:46" (3/3) ... [2018-11-07 12:54:46,873 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label30_true-unreach-call_false-termination.c [2018-11-07 12:54:46,884 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 12:54:46,894 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 12:54:46,912 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 12:54:46,953 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 12:54:46,953 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 12:54:46,953 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 12:54:46,953 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 12:54:46,953 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 12:54:46,954 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 12:54:46,954 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 12:54:46,954 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 12:54:46,982 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-07 12:54:46,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-07 12:54:46,999 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:54:47,001 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:54:47,003 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:54:47,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:54:47,011 INFO L82 PathProgramCache]: Analyzing trace with hash -564012609, now seen corresponding path program 1 times [2018-11-07 12:54:47,014 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:54:47,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:47,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:54:47,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:47,075 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:54:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:54:47,641 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 12:54:47,717 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 12:54:47,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 12:54:47,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 12:54:47,720 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:54:47,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 12:54:47,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 12:54:47,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 12:54:47,745 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-07 12:54:49,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:54:49,285 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-11-07 12:54:49,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 12:54:49,288 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2018-11-07 12:54:49,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:54:49,308 INFO L225 Difference]: With dead ends: 618 [2018-11-07 12:54:49,308 INFO L226 Difference]: Without dead ends: 379 [2018-11-07 12:54:49,315 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 12:54:49,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-07 12:54:49,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-11-07 12:54:49,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-11-07 12:54:49,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 621 transitions. [2018-11-07 12:54:49,398 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 621 transitions. Word has length 135 [2018-11-07 12:54:49,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:54:49,400 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 621 transitions. [2018-11-07 12:54:49,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 12:54:49,400 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 621 transitions. [2018-11-07 12:54:49,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-07 12:54:49,407 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:54:49,408 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:54:49,408 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:54:49,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:54:49,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1268148278, now seen corresponding path program 1 times [2018-11-07 12:54:49,409 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:54:49,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:49,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:54:49,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:49,411 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:54:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:54:49,669 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:54:49,669 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 12:54:49,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 12:54:49,670 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:54:49,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 12:54:49,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 12:54:49,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 12:54:49,673 INFO L87 Difference]: Start difference. First operand 379 states and 621 transitions. Second operand 6 states. [2018-11-07 12:54:51,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:54:51,792 INFO L93 Difference]: Finished difference Result 1231 states and 2094 transitions. [2018-11-07 12:54:51,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-07 12:54:51,798 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 151 [2018-11-07 12:54:51,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:54:51,813 INFO L225 Difference]: With dead ends: 1231 [2018-11-07 12:54:51,813 INFO L226 Difference]: Without dead ends: 858 [2018-11-07 12:54:51,821 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 12:54:51,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2018-11-07 12:54:51,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 821. [2018-11-07 12:54:51,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2018-11-07 12:54:51,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1290 transitions. [2018-11-07 12:54:51,889 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1290 transitions. Word has length 151 [2018-11-07 12:54:51,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:54:51,890 INFO L480 AbstractCegarLoop]: Abstraction has 821 states and 1290 transitions. [2018-11-07 12:54:51,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 12:54:51,890 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1290 transitions. [2018-11-07 12:54:51,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-07 12:54:51,896 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:54:51,896 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:54:51,896 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:54:51,897 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:54:51,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1898018613, now seen corresponding path program 1 times [2018-11-07 12:54:51,897 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:54:51,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:51,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:54:51,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:51,899 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:54:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:54:52,210 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 12:54:52,402 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:54:52,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 12:54:52,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 12:54:52,403 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:54:52,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 12:54:52,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 12:54:52,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 12:54:52,404 INFO L87 Difference]: Start difference. First operand 821 states and 1290 transitions. Second operand 6 states. [2018-11-07 12:54:56,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:54:56,766 INFO L93 Difference]: Finished difference Result 2553 states and 4218 transitions. [2018-11-07 12:54:56,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 12:54:56,770 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 158 [2018-11-07 12:54:56,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:54:56,795 INFO L225 Difference]: With dead ends: 2553 [2018-11-07 12:54:56,795 INFO L226 Difference]: Without dead ends: 1738 [2018-11-07 12:54:56,802 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 12:54:56,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2018-11-07 12:54:56,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 1680. [2018-11-07 12:54:56,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1680 states. [2018-11-07 12:54:56,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2538 transitions. [2018-11-07 12:54:56,903 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2538 transitions. Word has length 158 [2018-11-07 12:54:56,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:54:56,904 INFO L480 AbstractCegarLoop]: Abstraction has 1680 states and 2538 transitions. [2018-11-07 12:54:56,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 12:54:56,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2538 transitions. [2018-11-07 12:54:56,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-07 12:54:56,915 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:54:56,916 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:54:56,916 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:54:56,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:54:56,917 INFO L82 PathProgramCache]: Analyzing trace with hash -622646755, now seen corresponding path program 1 times [2018-11-07 12:54:56,917 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:54:56,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:56,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:54:56,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:56,918 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:54:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:54:57,152 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-07 12:54:57,153 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:54:57,153 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:54:57,154 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-11-07 12:54:57,157 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:54:57,211 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:54:57,211 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:54:58,125 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 12:54:58,127 INFO L272 AbstractInterpreter]: Visited 136 different actions 136 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-11-07 12:54:58,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:54:58,167 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 12:54:58,836 INFO L227 lantSequenceWeakener]: Weakened 138 states. On average, predicates are now at 81.51% of their original sizes. [2018-11-07 12:54:58,836 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 12:54:59,670 INFO L415 sIntCurrentIteration]: We unified 159 AI predicates to 159 [2018-11-07 12:54:59,671 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 12:54:59,671 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:54:59,672 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [6] total 18 [2018-11-07 12:54:59,672 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:54:59,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-07 12:54:59,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-07 12:54:59,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-11-07 12:54:59,673 INFO L87 Difference]: Start difference. First operand 1680 states and 2538 transitions. Second operand 14 states. [2018-11-07 12:55:13,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:55:13,737 INFO L93 Difference]: Finished difference Result 3652 states and 5496 transitions. [2018-11-07 12:55:13,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-07 12:55:13,738 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 160 [2018-11-07 12:55:13,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:55:13,749 INFO L225 Difference]: With dead ends: 3652 [2018-11-07 12:55:13,749 INFO L226 Difference]: Without dead ends: 1978 [2018-11-07 12:55:13,755 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 172 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=193, Invalid=509, Unknown=0, NotChecked=0, Total=702 [2018-11-07 12:55:13,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2018-11-07 12:55:13,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1825. [2018-11-07 12:55:13,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1825 states. [2018-11-07 12:55:13,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1825 states and 2690 transitions. [2018-11-07 12:55:13,809 INFO L78 Accepts]: Start accepts. Automaton has 1825 states and 2690 transitions. Word has length 160 [2018-11-07 12:55:13,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:55:13,809 INFO L480 AbstractCegarLoop]: Abstraction has 1825 states and 2690 transitions. [2018-11-07 12:55:13,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-07 12:55:13,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2690 transitions. [2018-11-07 12:55:13,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-07 12:55:13,817 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:55:13,818 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:55:13,818 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:55:13,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:13,819 INFO L82 PathProgramCache]: Analyzing trace with hash 9901054, now seen corresponding path program 1 times [2018-11-07 12:55:13,819 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:55:13,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:13,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:55:13,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:13,820 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:55:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:55:14,101 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 12:55:14,101 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:55:14,101 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:55:14,101 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 171 with the following transitions: [2018-11-07 12:55:14,102 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:55:14,108 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:55:14,108 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:55:14,660 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 12:55:14,660 INFO L272 AbstractInterpreter]: Visited 140 different actions 419 times. Merged at 7 different actions 21 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-07 12:55:14,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:14,675 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 12:55:15,163 INFO L227 lantSequenceWeakener]: Weakened 167 states. On average, predicates are now at 81.21% of their original sizes. [2018-11-07 12:55:15,164 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 12:55:15,501 INFO L415 sIntCurrentIteration]: We unified 169 AI predicates to 169 [2018-11-07 12:55:15,501 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 12:55:15,501 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:55:15,501 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2018-11-07 12:55:15,501 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:55:15,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 12:55:15,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 12:55:15,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-07 12:55:15,502 INFO L87 Difference]: Start difference. First operand 1825 states and 2690 transitions. Second operand 10 states. [2018-11-07 12:55:20,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:55:20,585 INFO L93 Difference]: Finished difference Result 4459 states and 6596 transitions. [2018-11-07 12:55:20,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 12:55:20,585 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 170 [2018-11-07 12:55:20,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:55:20,600 INFO L225 Difference]: With dead ends: 4459 [2018-11-07 12:55:20,600 INFO L226 Difference]: Without dead ends: 2640 [2018-11-07 12:55:20,607 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 178 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2018-11-07 12:55:20,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2640 states. [2018-11-07 12:55:20,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2640 to 2554. [2018-11-07 12:55:20,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2554 states. [2018-11-07 12:55:20,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2554 states to 2554 states and 3569 transitions. [2018-11-07 12:55:20,689 INFO L78 Accepts]: Start accepts. Automaton has 2554 states and 3569 transitions. Word has length 170 [2018-11-07 12:55:20,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:55:20,689 INFO L480 AbstractCegarLoop]: Abstraction has 2554 states and 3569 transitions. [2018-11-07 12:55:20,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 12:55:20,690 INFO L276 IsEmpty]: Start isEmpty. Operand 2554 states and 3569 transitions. [2018-11-07 12:55:20,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-07 12:55:20,700 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:55:20,700 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:55:20,701 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:55:20,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:20,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1896536654, now seen corresponding path program 1 times [2018-11-07 12:55:20,701 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:55:20,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:20,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:55:20,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:20,703 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:55:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:55:21,158 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-07 12:55:21,159 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:55:21,159 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:55:21,159 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-11-07 12:55:21,160 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:55:21,165 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:55:21,165 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:55:21,838 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 12:55:21,838 INFO L272 AbstractInterpreter]: Visited 140 different actions 416 times. Merged at 7 different actions 20 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 12:55:21,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:21,846 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 12:55:21,846 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:55:21,846 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 12:55:21,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:55:21,857 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 12:55:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:55:21,966 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 12:55:22,080 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 12:55:22,081 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 12:55:22,484 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 12:55:22,517 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:55:22,517 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-11-07 12:55:22,517 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:55:22,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 12:55:22,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 12:55:22,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-07 12:55:22,519 INFO L87 Difference]: Start difference. First operand 2554 states and 3569 transitions. Second operand 3 states. [2018-11-07 12:55:24,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:55:24,338 INFO L93 Difference]: Finished difference Result 7157 states and 10356 transitions. [2018-11-07 12:55:24,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 12:55:24,339 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2018-11-07 12:55:24,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:55:24,362 INFO L225 Difference]: With dead ends: 7157 [2018-11-07 12:55:24,363 INFO L226 Difference]: Without dead ends: 3928 [2018-11-07 12:55:24,377 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 346 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-07 12:55:24,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3928 states. [2018-11-07 12:55:24,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3928 to 3912. [2018-11-07 12:55:24,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3912 states. [2018-11-07 12:55:24,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3912 states to 3912 states and 5227 transitions. [2018-11-07 12:55:24,475 INFO L78 Accepts]: Start accepts. Automaton has 3912 states and 5227 transitions. Word has length 172 [2018-11-07 12:55:24,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:55:24,476 INFO L480 AbstractCegarLoop]: Abstraction has 3912 states and 5227 transitions. [2018-11-07 12:55:24,476 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 12:55:24,476 INFO L276 IsEmpty]: Start isEmpty. Operand 3912 states and 5227 transitions. [2018-11-07 12:55:24,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-07 12:55:24,491 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:55:24,491 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:55:24,491 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:55:24,492 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:24,492 INFO L82 PathProgramCache]: Analyzing trace with hash 948524256, now seen corresponding path program 1 times [2018-11-07 12:55:24,492 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:55:24,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:24,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:55:24,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:24,493 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:55:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:55:24,943 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:55:24,943 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:55:24,944 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:55:24,944 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 186 with the following transitions: [2018-11-07 12:55:24,944 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:55:24,950 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:55:24,950 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:55:25,929 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 12:55:25,929 INFO L272 AbstractInterpreter]: Visited 139 different actions 415 times. Merged at 7 different actions 20 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 12:55:25,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:25,975 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 12:55:26,645 INFO L227 lantSequenceWeakener]: Weakened 182 states. On average, predicates are now at 81.14% of their original sizes. [2018-11-07 12:55:26,645 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 12:55:27,198 INFO L415 sIntCurrentIteration]: We unified 184 AI predicates to 184 [2018-11-07 12:55:27,198 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 12:55:27,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:55:27,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-07 12:55:27,199 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:55:27,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 12:55:27,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 12:55:27,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-07 12:55:27,200 INFO L87 Difference]: Start difference. First operand 3912 states and 5227 transitions. Second operand 11 states. [2018-11-07 12:55:37,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:55:37,512 INFO L93 Difference]: Finished difference Result 9248 states and 12463 transitions. [2018-11-07 12:55:37,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-07 12:55:37,513 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 185 [2018-11-07 12:55:37,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:55:37,539 INFO L225 Difference]: With dead ends: 9248 [2018-11-07 12:55:37,540 INFO L226 Difference]: Without dead ends: 5342 [2018-11-07 12:55:37,555 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 197 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2018-11-07 12:55:37,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5342 states. [2018-11-07 12:55:37,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5342 to 5278. [2018-11-07 12:55:37,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5278 states. [2018-11-07 12:55:37,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5278 states to 5278 states and 6719 transitions. [2018-11-07 12:55:37,691 INFO L78 Accepts]: Start accepts. Automaton has 5278 states and 6719 transitions. Word has length 185 [2018-11-07 12:55:37,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:55:37,692 INFO L480 AbstractCegarLoop]: Abstraction has 5278 states and 6719 transitions. [2018-11-07 12:55:37,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 12:55:37,692 INFO L276 IsEmpty]: Start isEmpty. Operand 5278 states and 6719 transitions. [2018-11-07 12:55:37,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-07 12:55:37,707 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:55:37,707 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:55:37,708 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:55:37,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:37,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1052905866, now seen corresponding path program 1 times [2018-11-07 12:55:37,708 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:55:37,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:37,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:55:37,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:37,709 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:55:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:55:38,173 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 82 proven. 28 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-07 12:55:38,173 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:55:38,173 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:55:38,174 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 210 with the following transitions: [2018-11-07 12:55:38,174 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [99], [100], [104], [107], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:55:38,177 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:55:38,178 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:55:39,181 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 12:55:39,181 INFO L272 AbstractInterpreter]: Visited 141 different actions 563 times. Merged at 8 different actions 35 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 12:55:39,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:39,191 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 12:55:39,191 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:55:39,191 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 12:55:39,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:55:39,200 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 12:55:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:55:39,277 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 12:55:39,797 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 12:55:39,798 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 12:55:39,925 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 12:55:39,946 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 12:55:39,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2018-11-07 12:55:39,946 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 12:55:39,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 12:55:39,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 12:55:39,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-11-07 12:55:39,948 INFO L87 Difference]: Start difference. First operand 5278 states and 6719 transitions. Second operand 9 states. [2018-11-07 12:55:44,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:55:44,294 INFO L93 Difference]: Finished difference Result 13734 states and 18032 transitions. [2018-11-07 12:55:44,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-11-07 12:55:44,295 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 209 [2018-11-07 12:55:44,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:55:44,328 INFO L225 Difference]: With dead ends: 13734 [2018-11-07 12:55:44,328 INFO L226 Difference]: Without dead ends: 7430 [2018-11-07 12:55:44,353 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 433 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=266, Invalid=994, Unknown=0, NotChecked=0, Total=1260 [2018-11-07 12:55:44,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7430 states. [2018-11-07 12:55:44,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7430 to 6887. [2018-11-07 12:55:44,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6887 states. [2018-11-07 12:55:44,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6887 states to 6887 states and 8235 transitions. [2018-11-07 12:55:44,531 INFO L78 Accepts]: Start accepts. Automaton has 6887 states and 8235 transitions. Word has length 209 [2018-11-07 12:55:44,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:55:44,531 INFO L480 AbstractCegarLoop]: Abstraction has 6887 states and 8235 transitions. [2018-11-07 12:55:44,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 12:55:44,531 INFO L276 IsEmpty]: Start isEmpty. Operand 6887 states and 8235 transitions. [2018-11-07 12:55:44,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-07 12:55:44,554 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:55:44,555 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:55:44,555 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:55:44,555 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:44,556 INFO L82 PathProgramCache]: Analyzing trace with hash -266524713, now seen corresponding path program 1 times [2018-11-07 12:55:44,556 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:55:44,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:44,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:55:44,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:44,557 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:55:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:55:44,806 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 12:55:45,020 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 159 proven. 42 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2018-11-07 12:55:45,021 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:55:45,021 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:55:45,021 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 286 with the following transitions: [2018-11-07 12:55:45,021 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [21], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [99], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:55:45,026 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:55:45,026 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:55:45,648 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 12:55:45,648 INFO L272 AbstractInterpreter]: Visited 144 different actions 434 times. Merged at 9 different actions 28 times. Never widened. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 12:55:45,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:45,658 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 12:55:46,076 INFO L227 lantSequenceWeakener]: Weakened 280 states. On average, predicates are now at 81.07% of their original sizes. [2018-11-07 12:55:46,076 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 12:55:46,251 INFO L415 sIntCurrentIteration]: We unified 284 AI predicates to 284 [2018-11-07 12:55:46,252 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 12:55:46,252 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:55:46,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [5] total 16 [2018-11-07 12:55:46,252 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:55:46,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-07 12:55:46,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-07 12:55:46,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-07 12:55:46,253 INFO L87 Difference]: Start difference. First operand 6887 states and 8235 transitions. Second operand 13 states. [2018-11-07 12:56:00,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:56:00,938 INFO L93 Difference]: Finished difference Result 16460 states and 19677 transitions. [2018-11-07 12:56:00,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-07 12:56:00,938 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 285 [2018-11-07 12:56:00,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:56:00,975 INFO L225 Difference]: With dead ends: 16460 [2018-11-07 12:56:00,976 INFO L226 Difference]: Without dead ends: 10186 [2018-11-07 12:56:00,993 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 306 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=190, Invalid=1000, Unknown=0, NotChecked=0, Total=1190 [2018-11-07 12:56:01,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10186 states. [2018-11-07 12:56:01,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10186 to 9892. [2018-11-07 12:56:01,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9892 states. [2018-11-07 12:56:01,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9892 states to 9892 states and 11634 transitions. [2018-11-07 12:56:01,201 INFO L78 Accepts]: Start accepts. Automaton has 9892 states and 11634 transitions. Word has length 285 [2018-11-07 12:56:01,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:56:01,202 INFO L480 AbstractCegarLoop]: Abstraction has 9892 states and 11634 transitions. [2018-11-07 12:56:01,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-07 12:56:01,202 INFO L276 IsEmpty]: Start isEmpty. Operand 9892 states and 11634 transitions. [2018-11-07 12:56:01,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-11-07 12:56:01,234 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:56:01,234 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:56:01,234 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:56:01,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:56:01,235 INFO L82 PathProgramCache]: Analyzing trace with hash 133310492, now seen corresponding path program 1 times [2018-11-07 12:56:01,235 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:56:01,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:56:01,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:56:01,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:56:01,237 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:56:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:56:01,583 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 191 proven. 99 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-11-07 12:56:01,583 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:56:01,583 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:56:01,584 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 296 with the following transitions: [2018-11-07 12:56:01,584 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [99], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:56:01,587 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:56:01,587 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:56:02,382 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 12:56:02,382 INFO L272 AbstractInterpreter]: Visited 145 different actions 578 times. Merged at 9 different actions 37 times. Widened at 1 different actions 1 times. Found 9 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 12:56:02,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:56:02,391 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 12:56:02,391 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:56:02,391 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 12:56:02,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:56:02,402 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 12:56:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:56:02,516 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 12:56:03,051 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 252 proven. 2 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-11-07 12:56:03,051 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 12:56:03,283 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 206 proven. 55 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-07 12:56:03,303 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 12:56:03,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-07 12:56:03,304 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 12:56:03,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 12:56:03,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 12:56:03,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2018-11-07 12:56:03,305 INFO L87 Difference]: Start difference. First operand 9892 states and 11634 transitions. Second operand 11 states. [2018-11-07 12:56:08,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:56:08,581 INFO L93 Difference]: Finished difference Result 18574 states and 21847 transitions. [2018-11-07 12:56:08,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-07 12:56:08,583 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 295 [2018-11-07 12:56:08,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:56:08,583 INFO L225 Difference]: With dead ends: 18574 [2018-11-07 12:56:08,583 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 12:56:08,612 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 633 GetRequests, 600 SyntacticMatches, 4 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=222, Invalid=708, Unknown=0, NotChecked=0, Total=930 [2018-11-07 12:56:08,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 12:56:08,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 12:56:08,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 12:56:08,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 12:56:08,614 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 295 [2018-11-07 12:56:08,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:56:08,614 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 12:56:08,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 12:56:08,614 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 12:56:08,614 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 12:56:08,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 12:56:09,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:56:09,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:56:09,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:56:09,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:56:09,264 WARN L179 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 181 [2018-11-07 12:56:09,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:56:09,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:56:09,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:56:09,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:56:09,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:56:09,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:56:09,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:56:09,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:56:09,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:56:09,761 WARN L179 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 208 [2018-11-07 12:56:10,132 WARN L179 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2018-11-07 12:56:10,417 WARN L179 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 77 [2018-11-07 12:56:15,361 WARN L179 SmtUtils]: Spent 4.92 s on a formula simplification. DAG size of input: 350 DAG size of output: 110 [2018-11-07 12:56:17,028 WARN L179 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 208 DAG size of output: 110 [2018-11-07 12:56:18,630 WARN L179 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 227 DAG size of output: 112 [2018-11-07 12:56:18,633 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 12:56:18,633 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a19~0)| ~a19~0) (<= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-07 12:56:18,634 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 12:56:18,634 INFO L425 ceAbstractionStarter]: For program point L564(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,634 INFO L425 ceAbstractionStarter]: For program point L531(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,634 INFO L425 ceAbstractionStarter]: For program point L498(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,634 INFO L425 ceAbstractionStarter]: For program point L465(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,634 INFO L425 ceAbstractionStarter]: For program point L432(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,634 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-07 12:56:18,634 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-07 12:56:18,634 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-07 12:56:18,634 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-07 12:56:18,635 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-07 12:56:18,635 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-07 12:56:18,635 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-07 12:56:18,635 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-07 12:56:18,635 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-07 12:56:18,635 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 556) no Hoare annotation was computed. [2018-11-07 12:56:18,635 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-07 12:56:18,635 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-07 12:56:18,635 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-07 12:56:18,635 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-07 12:56:18,635 INFO L425 ceAbstractionStarter]: For program point L567(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,636 INFO L425 ceAbstractionStarter]: For program point L534(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,636 INFO L425 ceAbstractionStarter]: For program point L501(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,636 INFO L425 ceAbstractionStarter]: For program point L468(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,636 INFO L425 ceAbstractionStarter]: For program point L435(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,636 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-07 12:56:18,636 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-07 12:56:18,636 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-07 12:56:18,636 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-07 12:56:18,636 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-07 12:56:18,636 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-07 12:56:18,636 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-07 12:56:18,637 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-07 12:56:18,637 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-07 12:56:18,637 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-07 12:56:18,637 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-07 12:56:18,637 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-07 12:56:18,637 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-07 12:56:18,637 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-07 12:56:18,637 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-07 12:56:18,637 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-07 12:56:18,637 INFO L425 ceAbstractionStarter]: For program point L570(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,638 INFO L425 ceAbstractionStarter]: For program point L537(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,638 INFO L425 ceAbstractionStarter]: For program point L504(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,638 INFO L425 ceAbstractionStarter]: For program point L471(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,638 INFO L425 ceAbstractionStarter]: For program point L438(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,638 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-07 12:56:18,638 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-07 12:56:18,638 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-07 12:56:18,638 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-07 12:56:18,638 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-07 12:56:18,638 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-07 12:56:18,639 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-07 12:56:18,639 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-07 12:56:18,639 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-07 12:56:18,639 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-07 12:56:18,639 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-07 12:56:18,639 INFO L425 ceAbstractionStarter]: For program point L573(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,639 INFO L425 ceAbstractionStarter]: For program point L540(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,639 INFO L425 ceAbstractionStarter]: For program point L507(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,639 INFO L425 ceAbstractionStarter]: For program point L474(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,640 INFO L425 ceAbstractionStarter]: For program point L441(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,640 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-07 12:56:18,640 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-07 12:56:18,640 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-07 12:56:18,640 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-07 12:56:18,640 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-07 12:56:18,640 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-07 12:56:18,640 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-07 12:56:18,640 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-07 12:56:18,640 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-07 12:56:18,640 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-07 12:56:18,641 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-07 12:56:18,641 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-07 12:56:18,641 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-07 12:56:18,641 INFO L425 ceAbstractionStarter]: For program point L576(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,641 INFO L425 ceAbstractionStarter]: For program point L543(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,641 INFO L425 ceAbstractionStarter]: For program point L510(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,641 INFO L425 ceAbstractionStarter]: For program point L477(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,641 INFO L425 ceAbstractionStarter]: For program point L444(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,641 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-07 12:56:18,641 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-07 12:56:18,642 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-07 12:56:18,642 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-07 12:56:18,642 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-07 12:56:18,642 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-07 12:56:18,642 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-07 12:56:18,642 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-07 12:56:18,642 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-07 12:56:18,642 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-07 12:56:18,642 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-07 12:56:18,642 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-07 12:56:18,642 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-07 12:56:18,642 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-07 12:56:18,642 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-07 12:56:18,643 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-07 12:56:18,643 INFO L425 ceAbstractionStarter]: For program point L579(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,643 INFO L425 ceAbstractionStarter]: For program point L546(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,643 INFO L425 ceAbstractionStarter]: For program point L513(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,643 INFO L425 ceAbstractionStarter]: For program point L480(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,643 INFO L425 ceAbstractionStarter]: For program point L447(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,643 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-07 12:56:18,643 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-07 12:56:18,643 INFO L425 ceAbstractionStarter]: For program point L414-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,643 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-07 12:56:18,643 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-07 12:56:18,644 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-07 12:56:18,644 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,644 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,644 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-07 12:56:18,644 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-07 12:56:18,644 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-07 12:56:18,644 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-07 12:56:18,644 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-07 12:56:18,644 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-07 12:56:18,644 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-07 12:56:18,644 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-07 12:56:18,644 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-07 12:56:18,644 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-07 12:56:18,645 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-07 12:56:18,645 INFO L425 ceAbstractionStarter]: For program point L582(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,645 INFO L425 ceAbstractionStarter]: For program point L549(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,645 INFO L425 ceAbstractionStarter]: For program point L516(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,645 INFO L425 ceAbstractionStarter]: For program point L483(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,645 INFO L425 ceAbstractionStarter]: For program point L450(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,645 INFO L425 ceAbstractionStarter]: For program point L417(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,645 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-07 12:56:18,645 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-07 12:56:18,645 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-07 12:56:18,645 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-07 12:56:18,646 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-07 12:56:18,646 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-07 12:56:18,646 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-07 12:56:18,646 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-07 12:56:18,646 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-07 12:56:18,646 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-07 12:56:18,646 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-07 12:56:18,646 INFO L425 ceAbstractionStarter]: For program point L585(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,647 INFO L425 ceAbstractionStarter]: For program point L552(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,647 INFO L425 ceAbstractionStarter]: For program point L519(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,647 INFO L425 ceAbstractionStarter]: For program point L486(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,647 INFO L425 ceAbstractionStarter]: For program point L453(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,647 INFO L425 ceAbstractionStarter]: For program point L420(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,647 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-07 12:56:18,647 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-07 12:56:18,647 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-07 12:56:18,647 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-07 12:56:18,648 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-07 12:56:18,648 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-07 12:56:18,648 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-07 12:56:18,648 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-07 12:56:18,648 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-07 12:56:18,648 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-07 12:56:18,648 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-07 12:56:18,648 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-07 12:56:18,648 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-07 12:56:18,649 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-07 12:56:18,649 INFO L425 ceAbstractionStarter]: For program point L588(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,649 INFO L425 ceAbstractionStarter]: For program point L522(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,649 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,649 INFO L425 ceAbstractionStarter]: For program point L489(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,650 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (= 1 |old(~a19~0)|)) (.cse3 (<= ~a17~0 |old(~a17~0)|)) (.cse4 (= |old(~a19~0)| ~a19~0)) (.cse5 (<= ~a28~0 |old(~a28~0)|)) (.cse6 (= ~a11~0 |old(~a11~0)|)) (.cse11 (<= 10 ~a28~0)) (.cse7 (= ~a25~0 |old(~a25~0)|)) (.cse27 (= 1 |old(~a25~0)|))) (let ((.cse29 (not (= 0 |old(~a11~0)|))) (.cse21 (< 7 |old(~a28~0)|)) (.cse1 (not .cse27)) (.cse8 (< 7 |old(~a17~0)|)) (.cse28 (and .cse3 .cse4 .cse5 .cse6 .cse11 .cse7)) (.cse32 (not (= |old(~a19~0)| 1))) (.cse25 (<= 7 ~a28~0)) (.cse31 (= ~a19~0 1)) (.cse26 (= ~a17~0 8)) (.cse22 (< |old(~a28~0)| 7)) (.cse14 (< 10 |old(~a28~0)|)) (.cse16 (not .cse0)) (.cse9 (< 6 |calculate_output_#in~input|)) (.cse10 (not (= 1 ~a21~0))) (.cse12 (< 1 |old(~a11~0)|)) (.cse13 (< |old(~a25~0)| 0)) (.cse23 (< |old(~a19~0)| 0)) (.cse15 (< |old(~a11~0)| 0)) (.cse17 (< 1 |old(~a25~0)|)) (.cse18 (< |old(~a28~0)| 10)) (.cse30 (< 11 |old(~a28~0)|)) (.cse19 (not (= 8 |old(~a17~0)|))) (.cse2 (= |old(~a11~0)| |old(~a19~0)|)) (.cse24 (< 0 |old(~a19~0)|)) (.cse20 (< |calculate_output_#in~input| 1))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7) .cse8) (or .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20) (or .cse9 .cse10 .cse21 .cse1 .cse12 .cse22 .cse23 .cse15 .cse19 .cse24 (and .cse25 .cse4 .cse5 .cse7 .cse6 .cse26) .cse20) (or .cse18 (< |old(~a19~0)| 1) .cse8 .cse27 .cse28) (or .cse9 .cse10 .cse1 .cse29 .cse23 (and .cse11 .cse5 .cse7 (= ~a19~0 0) .cse6 .cse26) .cse18 .cse30 .cse19 .cse24 .cse20) (or (or .cse9 .cse10 .cse1 .cse29 (not (= 8 |old(~a28~0)|)) .cse16 .cse19 .cse20) (= ~a28~0 8)) (or .cse0 .cse18 .cse11 .cse2 .cse8) (or .cse9 .cse10 .cse12 (and .cse6 .cse25 .cse4 .cse5 .cse26 .cse7) .cse13 .cse22 .cse23 .cse27 .cse15 .cse17 .cse30 .cse19 .cse24 .cse20) (or .cse9 .cse21 (and .cse6 .cse25 .cse5 .cse31 (<= ~a17~0 8) .cse7 (<= 7 ~a17~0)) (or .cse10 .cse15 .cse1 .cse12 .cse22 (< |old(~a17~0)| 7)) .cse16 (< 8 |old(~a17~0)|) .cse20) (or .cse9 .cse10 .cse12 .cse13 .cse11 .cse32 .cse15 .cse17 .cse18 .cse30 .cse19 .cse2 .cse20) (or .cse18 .cse2 .cse8 .cse27 .cse28) (or .cse9 .cse10 .cse12 .cse13 .cse22 .cse32 .cse15 .cse17 .cse30 .cse19 .cse2 (and .cse5 (<= ~a19~0 1) .cse7 .cse6 (<= 0 ~a19~0) .cse26 (not (= ~a19~0 ~a11~0))) .cse20) (or (and .cse25 .cse5 .cse31 .cse7 .cse6 .cse26) .cse9 .cse10 .cse12 .cse13 .cse22 .cse14 .cse15 .cse16 .cse17 .cse19 .cse20) (or .cse9 .cse10 .cse12 .cse13 .cse23 .cse27 .cse15 .cse17 .cse11 .cse18 .cse30 .cse19 .cse2 .cse24 .cse20)))) [2018-11-07 12:56:18,650 INFO L425 ceAbstractionStarter]: For program point L456(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,650 INFO L425 ceAbstractionStarter]: For program point L423(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,650 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-07 12:56:18,650 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-07 12:56:18,650 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-07 12:56:18,650 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-07 12:56:18,650 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-07 12:56:18,650 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-07 12:56:18,650 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-07 12:56:18,651 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-07 12:56:18,651 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-07 12:56:18,651 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-07 12:56:18,651 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-07 12:56:18,651 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-07 12:56:18,651 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-07 12:56:18,651 INFO L425 ceAbstractionStarter]: For program point L591(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,651 INFO L425 ceAbstractionStarter]: For program point L558(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,651 INFO L425 ceAbstractionStarter]: For program point L525(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,652 INFO L425 ceAbstractionStarter]: For program point L492(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,652 INFO L425 ceAbstractionStarter]: For program point L459(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,652 INFO L425 ceAbstractionStarter]: For program point L426(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,652 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-07 12:56:18,652 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-07 12:56:18,652 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-07 12:56:18,652 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-07 12:56:18,652 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-07 12:56:18,652 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-07 12:56:18,652 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-07 12:56:18,653 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-07 12:56:18,653 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-07 12:56:18,653 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-07 12:56:18,653 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-07 12:56:18,653 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-07 12:56:18,653 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-07 12:56:18,653 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-07 12:56:18,653 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-07 12:56:18,653 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 596) no Hoare annotation was computed. [2018-11-07 12:56:18,653 INFO L425 ceAbstractionStarter]: For program point L561(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,654 INFO L425 ceAbstractionStarter]: For program point L528(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,654 INFO L425 ceAbstractionStarter]: For program point L495(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,654 INFO L425 ceAbstractionStarter]: For program point L462(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,654 INFO L425 ceAbstractionStarter]: For program point L429(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:18,654 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-07 12:56:18,654 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-07 12:56:18,654 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-07 12:56:18,654 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-07 12:56:18,654 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-07 12:56:18,654 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-07 12:56:18,655 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-07 12:56:18,655 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-07 12:56:18,655 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-07 12:56:18,655 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-07 12:56:18,655 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-07 12:56:18,655 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-07 12:56:18,655 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-07 12:56:18,655 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-07 12:56:18,655 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-07 12:56:18,656 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-07 12:56:18,656 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-07 12:56:18,656 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-07 12:56:18,656 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-07 12:56:18,656 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 12:56:18,656 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~z~0 26) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a~0 1) (= ~a19~0 1) (= ~a28~0 7)) [2018-11-07 12:56:18,656 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 12:56:18,656 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 12:56:18,657 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (and (= ~a19~0 1) (= ~a28~0 7) (= ~a25~0 |old(~a25~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-11-07 12:56:18,657 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-07 12:56:18,657 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse4 (<= ~a28~0 11)) (.cse0 (<= 10 ~a28~0)) (.cse17 (not (= ~a25~0 1))) (.cse14 (<= ~a28~0 7)) (.cse1 (<= 1 main_~input~0)) (.cse2 (<= main_~input~0 6)) (.cse6 (<= 0 ~a19~0)) (.cse7 (<= ~a19~0 1)) (.cse10 (<= 7 ~a28~0)) (.cse11 (<= 0 ~a11~0)) (.cse3 (<= ~a25~0 1)) (.cse5 (<= 0 ~a25~0)) (.cse12 (<= ~a11~0 1)) (.cse8 (= ~a17~0 8)) (.cse15 (= ~a19~0 1)) (.cse16 (<= ~a17~0 7)) (.cse9 (= 1 ~a25~0)) (.cse13 (not (= ~a19~0 ~a11~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~a11~0 0) .cse6 .cse7 .cse8) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and .cse9 .cse10 .cse11 (= |old(~a19~0)| ~a19~0) .cse4 .cse12 .cse8 .cse13) (and .cse14 (and .cse12 .cse15 (<= ~a17~0 8) .cse10 .cse11 (<= 7 ~a17~0)) .cse9) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (and .cse16 .cse0 .cse17 .cse13) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (and (<= ~a19~0 0) .cse1 .cse17 .cse2 .cse10 .cse11 .cse3 .cse4 .cse5 .cse12 .cse6 .cse8) (not (= 3 ~c~0)) (and .cse16 .cse0 .cse17 (<= 1 ~a19~0)) (and .cse14 .cse1 .cse2 .cse10 .cse11 .cse3 .cse5 .cse12 .cse6 .cse7 .cse8) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (and (<= ~a28~0 10) .cse10 .cse11 .cse3 .cse5 .cse12 .cse8 .cse15) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0)) (and (not .cse15) .cse16 .cse9 .cse13))) [2018-11-07 12:56:18,657 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-07 12:56:18,657 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-07 12:56:18,658 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse14 (= ~a25~0 1))) (let ((.cse4 (<= ~a28~0 11)) (.cse0 (<= 10 ~a28~0)) (.cse16 (not .cse14)) (.cse13 (<= ~a28~0 7)) (.cse1 (<= 1 main_~input~0)) (.cse2 (<= main_~input~0 6)) (.cse9 (<= 7 ~a28~0)) (.cse11 (<= 0 ~a11~0)) (.cse3 (<= ~a25~0 1)) (.cse5 (<= 0 ~a25~0)) (.cse12 (<= ~a11~0 1)) (.cse6 (<= 0 ~a19~0)) (.cse7 (<= ~a19~0 1)) (.cse8 (= ~a17~0 8)) (.cse10 (= ~a19~0 1)) (.cse15 (<= ~a17~0 7)) (.cse17 (not (= ~a19~0 ~a11~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~a11~0 0) .cse6 .cse7 .cse8) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and .cse1 (<= ~a28~0 10) .cse9 .cse5 .cse10 .cse2 .cse11 .cse3 .cse12 .cse8) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (and .cse13 .cse1 .cse2 (and .cse14 .cse9 .cse11 .cse12 .cse10 (<= ~a17~0 8) (<= 7 ~a17~0))) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (and .cse15 .cse0 .cse16 .cse17) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (and (<= ~a19~0 0) .cse1 .cse16 .cse2 .cse9 .cse11 .cse3 .cse4 .cse5 .cse12 .cse6 .cse8) (not (= 3 ~c~0)) (and .cse15 .cse0 .cse16 (<= 1 ~a19~0)) (and .cse13 .cse1 .cse2 .cse9 .cse11 .cse3 .cse5 .cse12 .cse6 .cse7 .cse8) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0)) (and (not .cse10) .cse15 (= 1 ~a25~0) .cse17)))) [2018-11-07 12:56:18,658 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-07 12:56:18,658 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-07 12:56:18,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:56:18 BoogieIcfgContainer [2018-11-07 12:56:18,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 12:56:18,674 INFO L168 Benchmark]: Toolchain (without parser) took 96009.36 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 3.5 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-11-07 12:56:18,675 INFO L168 Benchmark]: CDTParser took 0.24 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 12:56:18,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 765.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 12:56:18,677 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.90 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -812.4 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. [2018-11-07 12:56:18,677 INFO L168 Benchmark]: Boogie Preprocessor took 110.36 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 12:56:18,678 INFO L168 Benchmark]: RCFGBuilder took 3178.65 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: 102.5 MB). Peak memory consumption was 102.5 MB. Max. memory is 7.1 GB. [2018-11-07 12:56:18,679 INFO L168 Benchmark]: TraceAbstraction took 91813.43 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 3.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-11-07 12:56:18,683 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 765.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 136.90 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -812.4 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.36 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 3178.65 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: 102.5 MB). Peak memory consumption was 102.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 91813.43 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 3.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 556]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((10 <= a28 && 1 <= input) && input <= 6) && a25 <= 1) && a28 <= 11) && 0 <= a25) && a11 == 0) && 0 <= a19) && a19 <= 1) && a17 == 8) || !(a21 == 1)) || !(y == 25)) || (((((((1 == a25 && 7 <= a28) && 0 <= a11) && \old(a19) == a19) && a28 <= 11) && a11 <= 1) && a17 == 8) && !(a19 == a11))) || ((a28 <= 7 && ((((a11 <= 1 && a19 == 1) && a17 <= 8) && 7 <= a28) && 0 <= a11) && 7 <= a17) && 1 == a25)) || !(1 == \old(a19))) || !(x == 24)) || !(e == 5)) || !(d == 4)) || !(21 == u)) || !(22 == v)) || !(\old(a11) == 0)) || (((a17 <= 7 && 10 <= a28) && !(a25 == 1)) && !(a19 == a11))) || !(z == 26)) || !(0 == \old(a25))) || (((((((((((a19 <= 0 && 1 <= input) && !(a25 == 1)) && input <= 6) && 7 <= a28) && 0 <= a11) && a25 <= 1) && a28 <= 11) && 0 <= a25) && a11 <= 1) && 0 <= a19) && a17 == 8)) || !(3 == c)) || (((a17 <= 7 && 10 <= a28) && !(a25 == 1)) && 1 <= a19)) || ((((((((((a28 <= 7 && 1 <= input) && input <= 6) && 7 <= a28) && 0 <= a11) && a25 <= 1) && 0 <= a25) && a11 <= 1) && 0 <= a19) && a19 <= 1) && a17 == 8)) || !(23 == w)) || !(\old(a28) == 7)) || (((((((a28 <= 10 && 7 <= a28) && 0 <= a11) && a25 <= 1) && 0 <= a25) && a11 <= 1) && a17 == 8) && a19 == 1)) || !(a == 1)) || !(\old(a17) == 8)) || !(6 == f)) || (((!(a19 == 1) && a17 <= 7) && 1 == a25) && !(a19 == a11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 91.7s OverallTime, 10 OverallIterations, 7 TraceHistogramMax, 63.9s AutomataDifference, 0.0s DeadEndRemovalTime, 10.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1896 SDtfs, 11805 SDslu, 2898 SDs, 0 SdLazy, 18292 SolverSat, 2641 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.5s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 2331 GetRequests, 2141 SyntacticMatches, 10 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1007 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9892occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.7s AbstIntTime, 7 AbstIntIterations, 4 AbstIntStrong, 0.9968130090100231 AbsIntWeakeningRatio, 0.21105527638190955 AbsIntAvgWeakeningVarsNumRemoved, 29.688442211055275 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 1251 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 242 PreInvPairs, 366 NumberOfFragments, 1437 HoareAnnotationTreeSize, 242 FomulaSimplifications, 18097 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 17387 FormulaSimplificationTreeSizeReductionInter, 8.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 2596 NumberOfCodeBlocks, 2596 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3256 ConstructedInterpolants, 0 QuantifiedInterpolants, 1249108 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1676 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 1961/2220 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...