java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label35_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 18:46:29,382 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 18:46:29,384 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 18:46:29,397 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 18:46:29,397 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 18:46:29,398 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 18:46:29,399 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 18:46:29,401 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 18:46:29,403 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 18:46:29,404 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 18:46:29,405 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 18:46:29,405 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 18:46:29,406 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 18:46:29,407 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 18:46:29,408 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 18:46:29,409 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 18:46:29,410 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 18:46:29,412 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 18:46:29,414 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 18:46:29,415 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 18:46:29,416 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 18:46:29,418 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 18:46:29,420 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 18:46:29,421 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 18:46:29,421 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 18:46:29,422 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 18:46:29,423 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 18:46:29,424 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 18:46:29,424 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 18:46:29,426 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 18:46:29,426 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 18:46:29,427 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 18:46:29,427 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 18:46:29,427 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 18:46:29,430 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 18:46:29,431 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 18:46:29,431 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-07 18:46:29,447 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 18:46:29,447 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 18:46:29,448 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 18:46:29,448 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 18:46:29,449 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 18:46:29,451 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 18:46:29,451 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 18:46:29,451 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 18:46:29,452 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 18:46:29,452 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 18:46:29,452 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 18:46:29,452 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 18:46:29,452 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 18:46:29,453 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 18:46:29,453 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 18:46:29,453 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 18:46:29,454 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 18:46:29,454 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 18:46:29,454 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 18:46:29,454 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 18:46:29,454 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 18:46:29,455 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 18:46:29,455 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 18:46:29,456 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 18:46:29,456 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 18:46:29,456 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 18:46:29,456 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 18:46:29,456 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 18:46:29,457 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 18:46:29,457 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 18:46:29,457 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 18:46:29,458 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 18:46:29,458 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 18:46:29,458 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 18:46:29,458 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 18:46:29,509 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 18:46:29,526 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 18:46:29,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 18:46:29,533 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 18:46:29,533 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 18:46:29,534 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label35_true-unreach-call_false-termination.c [2018-11-07 18:46:29,588 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63b47997a/01e5c60673a64f3a8d8f596073f024de/FLAG825ee9796 [2018-11-07 18:46:30,153 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 18:46:30,154 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label35_true-unreach-call_false-termination.c [2018-11-07 18:46:30,173 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63b47997a/01e5c60673a64f3a8d8f596073f024de/FLAG825ee9796 [2018-11-07 18:46:30,195 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63b47997a/01e5c60673a64f3a8d8f596073f024de [2018-11-07 18:46:30,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 18:46:30,210 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 18:46:30,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 18:46:30,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 18:46:30,218 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 18:46:30,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:46:30" (1/1) ... [2018-11-07 18:46:30,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a21f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:46:30, skipping insertion in model container [2018-11-07 18:46:30,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:46:30" (1/1) ... [2018-11-07 18:46:30,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 18:46:30,309 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 18:46:30,730 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:46:30,741 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 18:46:30,884 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:46:30,902 INFO L193 MainTranslator]: Completed translation [2018-11-07 18:46:30,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:46:30 WrapperNode [2018-11-07 18:46:30,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 18:46:30,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 18:46:30,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 18:46:30,904 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 18:46:30,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:46:30" (1/1) ... [2018-11-07 18:46:30,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:46:30" (1/1) ... [2018-11-07 18:46:31,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 18:46:31,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 18:46:31,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 18:46:31,029 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 18:46:31,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:46:30" (1/1) ... [2018-11-07 18:46:31,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:46:30" (1/1) ... [2018-11-07 18:46:31,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:46:30" (1/1) ... [2018-11-07 18:46:31,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:46:30" (1/1) ... [2018-11-07 18:46:31,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:46:30" (1/1) ... [2018-11-07 18:46:31,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:46:30" (1/1) ... [2018-11-07 18:46:31,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:46:30" (1/1) ... [2018-11-07 18:46:31,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 18:46:31,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 18:46:31,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 18:46:31,161 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 18:46:31,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:46:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 18:46:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 18:46:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 18:46:31,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 18:46:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 18:46:31,238 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 18:46:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 18:46:31,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 18:46:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 18:46:31,238 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 18:46:34,545 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 18:46:34,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:46:34 BoogieIcfgContainer [2018-11-07 18:46:34,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 18:46:34,547 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 18:46:34,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 18:46:34,551 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 18:46:34,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:46:30" (1/3) ... [2018-11-07 18:46:34,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59df737f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:46:34, skipping insertion in model container [2018-11-07 18:46:34,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:46:30" (2/3) ... [2018-11-07 18:46:34,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59df737f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:46:34, skipping insertion in model container [2018-11-07 18:46:34,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:46:34" (3/3) ... [2018-11-07 18:46:34,555 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label35_true-unreach-call_false-termination.c [2018-11-07 18:46:34,566 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 18:46:34,575 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 18:46:34,594 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 18:46:34,634 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 18:46:34,634 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 18:46:34,634 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 18:46:34,634 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 18:46:34,635 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 18:46:34,635 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 18:46:34,635 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 18:46:34,636 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 18:46:34,677 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-07 18:46:34,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-07 18:46:34,695 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:46:34,696 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] [2018-11-07 18:46:34,699 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:46:34,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:34,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1054680041, now seen corresponding path program 1 times [2018-11-07 18:46:34,711 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:46:34,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:34,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:46:34,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:34,763 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:46:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:46:35,317 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:46:35,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:46:35,451 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:46:35,451 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:46:35,452 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:46:35,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:46:35,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:46:35,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:46:35,481 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-07 18:46:37,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:46:37,456 INFO L93 Difference]: Finished difference Result 627 states and 1072 transitions. [2018-11-07 18:46:37,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:46:37,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2018-11-07 18:46:37,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:46:37,479 INFO L225 Difference]: With dead ends: 627 [2018-11-07 18:46:37,479 INFO L226 Difference]: Without dead ends: 388 [2018-11-07 18:46:37,486 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:46:37,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-11-07 18:46:37,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 383. [2018-11-07 18:46:37,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-07 18:46:37,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 619 transitions. [2018-11-07 18:46:37,579 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 619 transitions. Word has length 101 [2018-11-07 18:46:37,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:46:37,580 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 619 transitions. [2018-11-07 18:46:37,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:46:37,580 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 619 transitions. [2018-11-07 18:46:37,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-07 18:46:37,588 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:46:37,588 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:46:37,589 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:46:37,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:37,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1791654186, now seen corresponding path program 1 times [2018-11-07 18:46:37,590 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:46:37,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:37,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:46:37,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:37,592 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:46:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:46:37,844 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:46:37,845 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:46:37,845 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:46:37,845 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:46:37,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:46:37,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:46:37,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:46:37,850 INFO L87 Difference]: Start difference. First operand 383 states and 619 transitions. Second operand 3 states. [2018-11-07 18:46:39,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:46:39,039 INFO L93 Difference]: Finished difference Result 1053 states and 1768 transitions. [2018-11-07 18:46:39,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:46:39,041 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2018-11-07 18:46:39,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:46:39,048 INFO L225 Difference]: With dead ends: 1053 [2018-11-07 18:46:39,049 INFO L226 Difference]: Without dead ends: 676 [2018-11-07 18:46:39,053 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:46:39,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2018-11-07 18:46:39,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 676. [2018-11-07 18:46:39,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2018-11-07 18:46:39,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1011 transitions. [2018-11-07 18:46:39,096 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1011 transitions. Word has length 110 [2018-11-07 18:46:39,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:46:39,097 INFO L480 AbstractCegarLoop]: Abstraction has 676 states and 1011 transitions. [2018-11-07 18:46:39,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:46:39,098 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1011 transitions. [2018-11-07 18:46:39,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-07 18:46:39,104 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:46:39,104 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-07 18:46:39,104 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:46:39,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:39,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1883976414, now seen corresponding path program 1 times [2018-11-07 18:46:39,105 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:46:39,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:39,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:46:39,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:39,107 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:46:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:46:39,303 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:46:39,304 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:46:39,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:46:39,304 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:46:39,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:46:39,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:46:39,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:46:39,307 INFO L87 Difference]: Start difference. First operand 676 states and 1011 transitions. Second operand 3 states. [2018-11-07 18:46:41,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:46:41,262 INFO L93 Difference]: Finished difference Result 1926 states and 2979 transitions. [2018-11-07 18:46:41,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:46:41,268 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2018-11-07 18:46:41,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:46:41,283 INFO L225 Difference]: With dead ends: 1926 [2018-11-07 18:46:41,283 INFO L226 Difference]: Without dead ends: 1256 [2018-11-07 18:46:41,289 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:46:41,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2018-11-07 18:46:41,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1256. [2018-11-07 18:46:41,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1256 states. [2018-11-07 18:46:41,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1828 transitions. [2018-11-07 18:46:41,371 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1828 transitions. Word has length 115 [2018-11-07 18:46:41,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:46:41,373 INFO L480 AbstractCegarLoop]: Abstraction has 1256 states and 1828 transitions. [2018-11-07 18:46:41,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:46:41,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1828 transitions. [2018-11-07 18:46:41,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-07 18:46:41,381 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:46:41,381 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:46:41,382 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:46:41,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:41,382 INFO L82 PathProgramCache]: Analyzing trace with hash -737815760, now seen corresponding path program 1 times [2018-11-07 18:46:41,382 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:46:41,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:41,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:46:41,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:41,384 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:46:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:46:41,685 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:46:41,969 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 38 proven. 15 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 18:46:41,970 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:46:41,970 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:46:41,971 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 148 with the following transitions: [2018-11-07 18:46:41,974 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [56], [59], [63], [64], [68], [72], [76], [79], [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], [479], [481], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:46:42,030 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:46:42,031 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:46:42,901 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:46:42,903 INFO L272 AbstractInterpreter]: Visited 102 different actions 102 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-11-07 18:46:42,946 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:42,946 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:46:43,631 INFO L227 lantSequenceWeakener]: Weakened 123 states. On average, predicates are now at 80.86% of their original sizes. [2018-11-07 18:46:43,632 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:46:44,970 INFO L415 sIntCurrentIteration]: We unified 146 AI predicates to 146 [2018-11-07 18:46:44,971 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:46:44,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:46:44,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [6] total 18 [2018-11-07 18:46:44,972 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:46:44,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-07 18:46:44,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-07 18:46:44,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-11-07 18:46:44,973 INFO L87 Difference]: Start difference. First operand 1256 states and 1828 transitions. Second operand 14 states. [2018-11-07 18:47:01,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:47:01,920 INFO L93 Difference]: Finished difference Result 2806 states and 4098 transitions. [2018-11-07 18:47:01,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-07 18:47:01,920 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 147 [2018-11-07 18:47:01,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:47:01,932 INFO L225 Difference]: With dead ends: 2806 [2018-11-07 18:47:01,933 INFO L226 Difference]: Without dead ends: 1556 [2018-11-07 18:47:01,938 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 159 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=193, Invalid=509, Unknown=0, NotChecked=0, Total=702 [2018-11-07 18:47:01,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2018-11-07 18:47:01,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1403. [2018-11-07 18:47:01,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1403 states. [2018-11-07 18:47:01,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1403 states and 1989 transitions. [2018-11-07 18:47:01,988 INFO L78 Accepts]: Start accepts. Automaton has 1403 states and 1989 transitions. Word has length 147 [2018-11-07 18:47:01,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:47:01,989 INFO L480 AbstractCegarLoop]: Abstraction has 1403 states and 1989 transitions. [2018-11-07 18:47:01,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-07 18:47:01,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1989 transitions. [2018-11-07 18:47:01,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-07 18:47:01,995 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:47:01,995 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:47:01,995 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:47:01,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:47:01,996 INFO L82 PathProgramCache]: Analyzing trace with hash 408540226, now seen corresponding path program 1 times [2018-11-07 18:47:01,996 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:47:01,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:47:01,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:47:01,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:47:01,997 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:47:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:47:02,254 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 46 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:47:02,254 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:47:02,255 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:47:02,255 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-11-07 18:47:02,255 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [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], [479], [481], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:47:02,260 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:47:02,261 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:47:02,724 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:47:02,724 INFO L272 AbstractInterpreter]: Visited 105 different actions 309 times. Merged at 7 different actions 16 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-07 18:47:02,735 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:47:02,735 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:47:03,043 INFO L227 lantSequenceWeakener]: Weakened 149 states. On average, predicates are now at 80.63% of their original sizes. [2018-11-07 18:47:03,044 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:47:03,262 INFO L415 sIntCurrentIteration]: We unified 151 AI predicates to 151 [2018-11-07 18:47:03,263 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:47:03,263 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:47:03,263 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 19 [2018-11-07 18:47:03,264 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:47:03,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 18:47:03,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 18:47:03,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-07 18:47:03,266 INFO L87 Difference]: Start difference. First operand 1403 states and 1989 transitions. Second operand 11 states. [2018-11-07 18:47:13,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:47:13,354 INFO L93 Difference]: Finished difference Result 3708 states and 5591 transitions. [2018-11-07 18:47:13,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-07 18:47:13,355 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 152 [2018-11-07 18:47:13,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:47:13,371 INFO L225 Difference]: With dead ends: 3708 [2018-11-07 18:47:13,372 INFO L226 Difference]: Without dead ends: 2311 [2018-11-07 18:47:13,381 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 163 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=384, Unknown=0, NotChecked=0, Total=506 [2018-11-07 18:47:13,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2311 states. [2018-11-07 18:47:13,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2311 to 2295. [2018-11-07 18:47:13,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2295 states. [2018-11-07 18:47:13,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 2295 states and 3194 transitions. [2018-11-07 18:47:13,463 INFO L78 Accepts]: Start accepts. Automaton has 2295 states and 3194 transitions. Word has length 152 [2018-11-07 18:47:13,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:47:13,463 INFO L480 AbstractCegarLoop]: Abstraction has 2295 states and 3194 transitions. [2018-11-07 18:47:13,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 18:47:13,464 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 3194 transitions. [2018-11-07 18:47:13,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-07 18:47:13,473 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:47:13,473 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:47:13,474 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:47:13,474 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:47:13,474 INFO L82 PathProgramCache]: Analyzing trace with hash 1456591882, now seen corresponding path program 1 times [2018-11-07 18:47:13,474 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:47:13,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:47:13,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:47:13,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:47:13,476 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:47:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:47:13,899 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 71 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-07 18:47:13,901 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:47:13,901 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:47:13,901 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 174 with the following transitions: [2018-11-07 18:47:13,902 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], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [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], [479], [481], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:47:13,908 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:47:13,908 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:47:14,627 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:47:14,627 INFO L272 AbstractInterpreter]: Visited 107 different actions 430 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 18:47:14,663 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:47:14,664 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:47:15,009 INFO L227 lantSequenceWeakener]: Weakened 170 states. On average, predicates are now at 80.7% of their original sizes. [2018-11-07 18:47:15,009 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:47:15,246 INFO L415 sIntCurrentIteration]: We unified 172 AI predicates to 172 [2018-11-07 18:47:15,246 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:47:15,246 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:47:15,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 18 [2018-11-07 18:47:15,247 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:47:15,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 18:47:15,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 18:47:15,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-07 18:47:15,249 INFO L87 Difference]: Start difference. First operand 2295 states and 3194 transitions. Second operand 11 states. [2018-11-07 18:47:26,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:47:26,535 INFO L93 Difference]: Finished difference Result 6664 states and 9272 transitions. [2018-11-07 18:47:26,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-07 18:47:26,535 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 173 [2018-11-07 18:47:26,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:47:26,554 INFO L225 Difference]: With dead ends: 6664 [2018-11-07 18:47:26,554 INFO L226 Difference]: Without dead ends: 3630 [2018-11-07 18:47:26,564 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 185 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2018-11-07 18:47:26,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3630 states. [2018-11-07 18:47:26,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3630 to 3611. [2018-11-07 18:47:26,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3611 states. [2018-11-07 18:47:26,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3611 states to 3611 states and 4794 transitions. [2018-11-07 18:47:26,683 INFO L78 Accepts]: Start accepts. Automaton has 3611 states and 4794 transitions. Word has length 173 [2018-11-07 18:47:26,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:47:26,684 INFO L480 AbstractCegarLoop]: Abstraction has 3611 states and 4794 transitions. [2018-11-07 18:47:26,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 18:47:26,684 INFO L276 IsEmpty]: Start isEmpty. Operand 3611 states and 4794 transitions. [2018-11-07 18:47:26,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-07 18:47:26,695 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:47:26,695 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-07 18:47:26,695 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:47:26,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:47:26,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1949897777, now seen corresponding path program 1 times [2018-11-07 18:47:26,696 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:47:26,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:47:26,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:47:26,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:47:26,697 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:47:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:47:26,958 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:47:27,030 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 104 proven. 50 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-07 18:47:27,030 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:47:27,031 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:47:27,031 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 192 with the following transitions: [2018-11-07 18:47:27,032 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [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], [479], [481], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:47:27,036 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:47:27,036 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:47:27,637 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 18:47:27,637 INFO L272 AbstractInterpreter]: Visited 108 different actions 426 times. Merged at 8 different actions 30 times. Never widened. Found 7 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-07 18:47:27,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:47:27,644 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 18:47:27,644 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:47:27,644 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 18:47:27,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:47:27,654 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 18:47:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:47:27,774 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 18:47:28,464 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-07 18:47:28,465 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 18:47:29,218 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 119 proven. 15 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-07 18:47:29,239 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 18:47:29,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-11-07 18:47:29,239 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 18:47:29,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-07 18:47:29,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-07 18:47:29,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2018-11-07 18:47:29,241 INFO L87 Difference]: Start difference. First operand 3611 states and 4794 transitions. Second operand 14 states. [2018-11-07 18:47:33,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:47:33,886 INFO L93 Difference]: Finished difference Result 9434 states and 12452 transitions. [2018-11-07 18:47:33,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-07 18:47:33,890 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 191 [2018-11-07 18:47:33,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:47:33,890 INFO L225 Difference]: With dead ends: 9434 [2018-11-07 18:47:33,890 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 18:47:33,917 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 393 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2018-11-07 18:47:33,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 18:47:33,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 18:47:33,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 18:47:33,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 18:47:33,919 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 191 [2018-11-07 18:47:33,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:47:33,919 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 18:47:33,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-07 18:47:33,919 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 18:47:33,919 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 18:47:33,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 18:47:34,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:47:34,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:47:34,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:47:34,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:47:34,472 WARN L179 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 120 [2018-11-07 18:47:34,834 WARN L179 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2018-11-07 18:47:35,199 WARN L179 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2018-11-07 18:47:38,227 WARN L179 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 306 DAG size of output: 116 [2018-11-07 18:47:39,731 WARN L179 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 184 DAG size of output: 107 [2018-11-07 18:47:40,686 WARN L179 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 105 [2018-11-07 18:47:40,690 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:47:40,690 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a17~0)| ~a17~0)) [2018-11-07 18:47:40,690 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:47:40,690 INFO L425 ceAbstractionStarter]: For program point L564(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,690 INFO L425 ceAbstractionStarter]: For program point L531(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,691 INFO L425 ceAbstractionStarter]: For program point L498(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,691 INFO L425 ceAbstractionStarter]: For program point L465(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,691 INFO L425 ceAbstractionStarter]: For program point L432(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,691 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-07 18:47:40,691 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-07 18:47:40,691 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-07 18:47:40,691 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-07 18:47:40,691 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-07 18:47:40,691 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-07 18:47:40,691 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-07 18:47:40,692 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-07 18:47:40,692 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-07 18:47:40,692 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-07 18:47:40,692 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-07 18:47:40,692 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-07 18:47:40,692 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-07 18:47:40,692 INFO L425 ceAbstractionStarter]: For program point L567(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,692 INFO L425 ceAbstractionStarter]: For program point L534(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,692 INFO L425 ceAbstractionStarter]: For program point L501(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,693 INFO L425 ceAbstractionStarter]: For program point L468(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,693 INFO L425 ceAbstractionStarter]: For program point L435(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,693 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-07 18:47:40,693 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-07 18:47:40,693 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-07 18:47:40,693 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-07 18:47:40,693 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-07 18:47:40,694 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-07 18:47:40,694 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-07 18:47:40,694 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-07 18:47:40,694 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-07 18:47:40,694 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-07 18:47:40,694 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-07 18:47:40,694 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-07 18:47:40,694 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-07 18:47:40,695 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-07 18:47:40,695 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-07 18:47:40,695 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-07 18:47:40,695 INFO L425 ceAbstractionStarter]: For program point L570(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,695 INFO L425 ceAbstractionStarter]: For program point L537(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,695 INFO L425 ceAbstractionStarter]: For program point L504(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,695 INFO L425 ceAbstractionStarter]: For program point L471(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,695 INFO L425 ceAbstractionStarter]: For program point L438(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,696 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-07 18:47:40,696 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-07 18:47:40,696 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-07 18:47:40,696 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-07 18:47:40,696 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-07 18:47:40,696 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-07 18:47:40,696 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-07 18:47:40,697 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-07 18:47:40,697 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-07 18:47:40,697 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-07 18:47:40,697 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-07 18:47:40,697 INFO L425 ceAbstractionStarter]: For program point L573(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,697 INFO L425 ceAbstractionStarter]: For program point L540(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,697 INFO L425 ceAbstractionStarter]: For program point L507(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,697 INFO L425 ceAbstractionStarter]: For program point L474(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,698 INFO L425 ceAbstractionStarter]: For program point L441(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,698 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-07 18:47:40,698 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-07 18:47:40,698 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-07 18:47:40,698 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-07 18:47:40,698 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-07 18:47:40,698 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-07 18:47:40,698 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-07 18:47:40,698 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-07 18:47:40,699 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-07 18:47:40,699 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-07 18:47:40,699 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-07 18:47:40,699 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-07 18:47:40,699 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-07 18:47:40,699 INFO L425 ceAbstractionStarter]: For program point L576(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,699 INFO L425 ceAbstractionStarter]: For program point L543(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,699 INFO L425 ceAbstractionStarter]: For program point L510(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,700 INFO L425 ceAbstractionStarter]: For program point L477(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,700 INFO L425 ceAbstractionStarter]: For program point L444(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,700 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-07 18:47:40,700 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-07 18:47:40,700 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-07 18:47:40,700 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-07 18:47:40,700 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-07 18:47:40,700 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-07 18:47:40,700 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-07 18:47:40,701 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-07 18:47:40,701 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-07 18:47:40,701 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-07 18:47:40,701 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-07 18:47:40,701 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-07 18:47:40,701 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-07 18:47:40,701 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-07 18:47:40,701 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-07 18:47:40,701 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-07 18:47:40,702 INFO L425 ceAbstractionStarter]: For program point L579(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,702 INFO L425 ceAbstractionStarter]: For program point L546(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,702 INFO L425 ceAbstractionStarter]: For program point L513(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,702 INFO L425 ceAbstractionStarter]: For program point L480(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,702 INFO L425 ceAbstractionStarter]: For program point L447(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,702 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-07 18:47:40,702 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-07 18:47:40,702 INFO L425 ceAbstractionStarter]: For program point L414-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,703 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-07 18:47:40,703 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-07 18:47:40,703 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-07 18:47:40,703 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,703 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,703 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-07 18:47:40,703 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-07 18:47:40,703 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-07 18:47:40,704 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-07 18:47:40,704 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-07 18:47:40,704 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-07 18:47:40,704 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-07 18:47:40,704 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-07 18:47:40,704 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-07 18:47:40,704 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-07 18:47:40,704 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-07 18:47:40,704 INFO L425 ceAbstractionStarter]: For program point L582(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,705 INFO L425 ceAbstractionStarter]: For program point L549(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,705 INFO L425 ceAbstractionStarter]: For program point L516(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,705 INFO L425 ceAbstractionStarter]: For program point L483(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,705 INFO L425 ceAbstractionStarter]: For program point L450(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,705 INFO L425 ceAbstractionStarter]: For program point L417(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,705 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-07 18:47:40,705 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-07 18:47:40,705 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-07 18:47:40,705 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-07 18:47:40,706 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-07 18:47:40,706 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-07 18:47:40,706 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-07 18:47:40,706 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-07 18:47:40,706 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-07 18:47:40,706 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-07 18:47:40,706 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-07 18:47:40,706 INFO L425 ceAbstractionStarter]: For program point L585(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,707 INFO L425 ceAbstractionStarter]: For program point L552(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,707 INFO L425 ceAbstractionStarter]: For program point L519(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,707 INFO L425 ceAbstractionStarter]: For program point L486(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,707 INFO L425 ceAbstractionStarter]: For program point L420(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,707 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,707 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-07 18:47:40,707 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-07 18:47:40,707 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-07 18:47:40,708 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-07 18:47:40,708 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-07 18:47:40,708 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-07 18:47:40,708 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-07 18:47:40,708 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-07 18:47:40,708 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-07 18:47:40,708 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-07 18:47:40,708 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-07 18:47:40,709 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-07 18:47:40,709 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-07 18:47:40,709 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-07 18:47:40,709 INFO L425 ceAbstractionStarter]: For program point L588(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,709 INFO L425 ceAbstractionStarter]: For program point L555(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,709 INFO L425 ceAbstractionStarter]: For program point L522(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,709 INFO L425 ceAbstractionStarter]: For program point L489(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,710 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse30 (= ~a25~0 1)) (.cse14 (< 1 |old(~a25~0)|)) (.cse0 (< 1 |old(~a19~0)|)) (.cse2 (not (= 1 ~a21~0)))) (let ((.cse7 (<= ~a19~0 1)) (.cse3 (<= ~a25~0 1)) (.cse5 (<= 0 ~a25~0)) (.cse6 (= ~a11~0 0)) (.cse8 (= ~a17~0 8)) (.cse21 (not (= 7 |old(~a17~0)|))) (.cse13 (< |old(~a19~0)| 0)) (.cse15 (< 11 |old(~a28~0)|)) (.cse10 (= 9 |old(~a28~0)|)) (.cse20 (not (= 1 |old(~a11~0)|))) (.cse29 (= 9 |old(~a17~0)|)) (.cse4 (= |old(~a28~0)| ~a28~0)) (.cse23 (= 1 ~a11~0)) (.cse26 (= |old(~a17~0)| ~a17~0)) (.cse19 (= 1 ~a19~0)) (.cse1 (< 6 |calculate_output_#in~input|)) (.cse9 (not (= 0 |old(~a11~0)|))) (.cse22 (let ((.cse31 (< (+ |old(~a19~0)| 1) 0))) (and (or .cse0 .cse2 .cse31 .cse14 (< 1 |old(~a11~0)|)) (or .cse0 .cse2 (< |old(~a28~0)| 8) .cse31 (< 3 |old(~a25~0)|))))) (.cse11 (< |old(~a25~0)| 0)) (.cse12 (< |old(~a28~0)| 7)) (.cse28 (= 1 |old(~a25~0)|)) (.cse25 (< 10 |old(~a28~0)|)) (.cse18 (not (= 1 |old(~a19~0)|))) (.cse27 (not .cse30)) (.cse16 (not (= 8 |old(~a17~0)|))) (.cse17 (< |calculate_output_#in~input| 1))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 (<= 0 ~a19~0) .cse7 .cse8) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (or .cse18 .cse19 .cse20 .cse21) (or .cse1 .cse22 .cse11 .cse20 .cse12 (and (<= ~a25~0 3) (<= 7 ~a28~0) .cse5 .cse23 .cse7 .cse8 (let ((.cse24 (<= ~a28~0 10))) (or (and .cse24 .cse3) (and .cse24 (<= 8 ~a28~0)))) (<= 0 (+ ~a19~0 1))) .cse25 .cse16 .cse17) (or (and .cse4 .cse23 .cse26) .cse20 .cse21) (or .cse1 .cse22 .cse11 .cse20 .cse18 .cse16 .cse19 .cse17) (or .cse1 .cse9 .cse22 .cse11 (and .cse3 .cse4 .cse5 .cse6 .cse8) .cse12 .cse18 .cse14 .cse15 .cse16 .cse17) (or .cse27 .cse20 .cse28 .cse21) (or (and .cse4 .cse27 .cse23 .cse26) .cse10 .cse20 .cse29 .cse28) (or .cse0 .cse1 .cse2 .cse9 .cse10 .cse11 .cse12 .cse27 .cse13 .cse28 .cse14 .cse15 .cse16 .cse17) (or .cse1 (or .cse2 (not (= 10 |old(~a28~0)|)) (not .cse28) .cse9 (not (= 0 |old(~a19~0)|))) (or .cse30 (= ~a19~0 1)) .cse16 .cse17) (or .cse1 .cse2 .cse9 .cse11 .cse12 .cse18 .cse14 .cse19 .cse15 .cse16 .cse17) (or .cse1 .cse22 .cse11 .cse20 .cse28 .cse27 .cse16 .cse17) (or .cse18 .cse10 .cse20 .cse29 (and .cse4 .cse23 .cse26 .cse19)) (or .cse1 .cse9 .cse22 .cse11 .cse12 .cse28 .cse25 .cse18 .cse14 .cse27 .cse16 .cse17)))) [2018-11-07 18:47:40,710 INFO L425 ceAbstractionStarter]: For program point L456(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,710 INFO L425 ceAbstractionStarter]: For program point L423(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,710 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-07 18:47:40,711 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-07 18:47:40,711 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-07 18:47:40,711 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-07 18:47:40,711 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-07 18:47:40,711 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-07 18:47:40,711 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-07 18:47:40,711 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-07 18:47:40,711 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-07 18:47:40,711 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-07 18:47:40,712 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-07 18:47:40,712 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-07 18:47:40,712 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-07 18:47:40,712 INFO L425 ceAbstractionStarter]: For program point L591(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,712 INFO L425 ceAbstractionStarter]: For program point L558(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,712 INFO L425 ceAbstractionStarter]: For program point L525(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,712 INFO L425 ceAbstractionStarter]: For program point L492(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,712 INFO L425 ceAbstractionStarter]: For program point L459(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,713 INFO L425 ceAbstractionStarter]: For program point L426(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,713 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-07 18:47:40,713 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-07 18:47:40,713 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 454) no Hoare annotation was computed. [2018-11-07 18:47:40,713 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-07 18:47:40,713 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-07 18:47:40,713 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-07 18:47:40,714 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-07 18:47:40,714 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-07 18:47:40,714 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-07 18:47:40,714 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-07 18:47:40,714 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-07 18:47:40,714 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-07 18:47:40,714 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-07 18:47:40,714 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-07 18:47:40,714 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-07 18:47:40,715 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-07 18:47:40,715 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 596) no Hoare annotation was computed. [2018-11-07 18:47:40,715 INFO L425 ceAbstractionStarter]: For program point L561(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,715 INFO L425 ceAbstractionStarter]: For program point L528(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,715 INFO L425 ceAbstractionStarter]: For program point L495(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,715 INFO L425 ceAbstractionStarter]: For program point L462(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,715 INFO L425 ceAbstractionStarter]: For program point L429(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:47:40,715 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-07 18:47:40,715 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-07 18:47:40,716 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-07 18:47:40,716 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-07 18:47:40,716 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-07 18:47:40,716 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-07 18:47:40,716 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-07 18:47:40,716 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-07 18:47:40,716 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-07 18:47:40,716 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-07 18:47:40,716 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-07 18:47:40,717 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-07 18:47:40,717 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-07 18:47:40,717 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-07 18:47:40,717 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-07 18:47:40,717 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-07 18:47:40,717 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-07 18:47:40,717 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-07 18:47:40,717 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-07 18:47:40,718 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:47:40,718 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 18:47:40,718 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 18:47:40,718 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:47:40,718 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)) (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)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a19~0 1) (= |old(~a28~0)| ~a28~0) (= ~a17~0 8)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-11-07 18:47:40,718 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-07 18:47:40,719 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse5 (<= ~a28~0 11)) (.cse7 (= ~a11~0 0)) (.cse1 (= |old(~a17~0)| ~a17~0)) (.cse10 (= 1 ~a19~0)) (.cse2 (not (= ~a28~0 9))) (.cse0 (= 1 ~a11~0)) (.cse3 (<= 7 ~a28~0)) (.cse4 (<= ~a25~0 1)) (.cse6 (<= 0 ~a25~0)) (.cse8 (<= ~a19~0 1)) (.cse9 (= ~a17~0 8))) (or (and (not (= ~a25~0 1)) .cse0 .cse1 .cse2) (not (= ~a21~0 1)) (not (= ~y~0 25)) (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)) (and .cse3 .cse4 .cse5 .cse6 .cse7 (<= 0 ~a19~0) .cse8 .cse9 .cse2) (not (= |old(~a11~0)| 0)) (and (and .cse5 .cse6 .cse7 .cse9 .cse3 .cse4) .cse10) (not (= ~z~0 26)) (and .cse0 .cse1 .cse10 .cse2) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (and .cse0 (= 7 ~a17~0)) (and .cse0 (let ((.cse11 (<= ~a28~0 10)) (.cse12 (<= 0 (+ ~a19~0 1)))) (or (and .cse6 .cse8 .cse11 .cse9 .cse3 .cse12 .cse4) (and (<= ~a25~0 3) .cse6 .cse8 .cse11 .cse9 .cse12 (<= 8 ~a28~0))))) (not (= 6 ~f~0)))) [2018-11-07 18:47:40,719 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-07 18:47:40,719 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-07 18:47:40,720 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (<= ~a28~0 11)) (.cse6 (= ~a11~0 0)) (.cse5 (<= 0 ~a25~0)) (.cse2 (<= 7 ~a28~0)) (.cse3 (<= ~a25~0 1)) (.cse0 (<= 1 main_~input~0)) (.cse1 (<= main_~input~0 6)) (.cse7 (<= ~a19~0 1)) (.cse8 (= ~a17~0 8)) (.cse11 (= |old(~a17~0)| ~a17~0)) (.cse12 (= 1 ~a19~0)) (.cse9 (not (= ~a28~0 9))) (.cse10 (= 1 ~a11~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 0 ~a19~0) .cse7 .cse8 .cse9) (and (not (= ~a25~0 1)) .cse10 .cse11 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse12 .cse8) (and (let ((.cse13 (<= ~a28~0 10))) (or (and (<= ~a25~0 3) .cse5 .cse13 (<= 8 ~a28~0)) (and .cse5 .cse13 .cse2 .cse3))) .cse0 .cse10 .cse1 .cse7 .cse8 (<= 0 (+ ~a19~0 1))) (not (= ~a21~0 1)) (not (= ~y~0 25)) (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)) (not (= ~z~0 26)) (and .cse10 .cse11 .cse12 .cse9) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (and .cse10 (= 7 ~a17~0)) (not (= 6 ~f~0)))) [2018-11-07 18:47:40,720 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-07 18:47:40,720 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-07 18:47:40,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 06:47:40 BoogieIcfgContainer [2018-11-07 18:47:40,735 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 18:47:40,736 INFO L168 Benchmark]: Toolchain (without parser) took 70527.26 ms. Allocated memory was 1.6 GB in the beginning and 3.7 GB in the end (delta: 2.1 GB). Free memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: -565.4 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-11-07 18:47:40,738 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 18:47:40,738 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.68 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. [2018-11-07 18:47:40,739 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.45 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 763.4 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -868.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. [2018-11-07 18:47:40,740 INFO L168 Benchmark]: Boogie Preprocessor took 132.04 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2018-11-07 18:47:40,741 INFO L168 Benchmark]: RCFGBuilder took 3385.29 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 120.9 MB). Peak memory consumption was 120.9 MB. Max. memory is 7.1 GB. [2018-11-07 18:47:40,742 INFO L168 Benchmark]: TraceAbstraction took 66188.00 ms. Allocated memory was 2.3 GB in the beginning and 3.7 GB in the end (delta: 1.4 GB). Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 121.8 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-11-07 18:47:40,747 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 691.68 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 124.45 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 763.4 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -868.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.04 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3385.29 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 120.9 MB). Peak memory consumption was 120.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 66188.00 ms. Allocated memory was 2.3 GB in the beginning and 3.7 GB in the end (delta: 1.4 GB). Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 121.8 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 454]: 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: ((((((((((((((((((((((((!(a25 == 1) && 1 == a11) && \old(a17) == a17) && !(a28 == 9)) || !(a21 == 1)) || !(y == 25)) || !(1 == \old(a19))) || !(x == 24)) || !(e == 5)) || !(d == 4)) || !(21 == u)) || !(22 == v)) || ((((((((7 <= a28 && a25 <= 1) && a28 <= 11) && 0 <= a25) && a11 == 0) && 0 <= a19) && a19 <= 1) && a17 == 8) && !(a28 == 9))) || !(\old(a11) == 0)) || ((((((a28 <= 11 && 0 <= a25) && a11 == 0) && a17 == 8) && 7 <= a28) && a25 <= 1) && 1 == a19)) || !(z == 26)) || (((1 == a11 && \old(a17) == a17) && 1 == a19) && !(a28 == 9))) || !(0 == \old(a25))) || !(3 == c)) || !(23 == w)) || !(\old(a28) == 7)) || !(a == 1)) || !(\old(a17) == 8)) || (1 == a11 && 7 == a17)) || (1 == a11 && (((((((0 <= a25 && a19 <= 1) && a28 <= 10) && a17 == 8) && 7 <= a28) && 0 <= a19 + 1) && a25 <= 1) || ((((((a25 <= 3 && 0 <= a25) && a19 <= 1) && a28 <= 10) && a17 == 8) && 0 <= a19 + 1) && 8 <= a28)))) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 66.0s OverallTime, 7 OverallIterations, 5 TraceHistogramMax, 48.2s AutomataDifference, 0.0s DeadEndRemovalTime, 6.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 1446 SDtfs, 5916 SDslu, 1952 SDs, 0 SdLazy, 8205 SolverSat, 1764 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.6s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 952 GetRequests, 840 SyntacticMatches, 4 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 600 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3611occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.8s AbstIntTime, 4 AbstIntIterations, 3 AbstIntStrong, 0.996727544049757 AbsIntWeakeningRatio, 0.23880597014925373 AbsIntAvgWeakeningVarsNumRemoved, 24.03411513859275 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 193 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 120 PreInvPairs, 225 NumberOfFragments, 1345 HoareAnnotationTreeSize, 120 FomulaSimplifications, 10851 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 9459 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1180 NumberOfCodeBlocks, 1180 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1362 ConstructedInterpolants, 0 QuantifiedInterpolants, 415200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 544 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 661/782 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...