java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label53_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 14:56:45,587 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 14:56:45,589 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 14:56:45,601 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 14:56:45,602 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 14:56:45,603 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 14:56:45,604 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 14:56:45,606 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 14:56:45,607 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 14:56:45,608 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 14:56:45,609 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 14:56:45,609 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 14:56:45,610 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 14:56:45,611 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 14:56:45,612 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 14:56:45,613 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 14:56:45,614 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 14:56:45,616 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 14:56:45,618 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 14:56:45,619 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 14:56:45,621 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 14:56:45,622 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 14:56:45,624 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 14:56:45,624 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 14:56:45,625 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 14:56:45,626 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 14:56:45,627 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 14:56:45,628 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 14:56:45,628 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 14:56:45,629 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 14:56:45,630 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 14:56:45,630 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 14:56:45,631 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 14:56:45,631 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 14:56:45,632 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 14:56:45,633 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 14:56:45,633 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf [2018-11-07 14:56:45,659 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 14:56:45,660 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 14:56:45,661 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 14:56:45,662 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 14:56:45,662 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 14:56:45,662 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 14:56:45,662 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 14:56:45,662 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 14:56:45,663 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 14:56:45,663 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 14:56:45,663 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 14:56:45,663 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 14:56:45,664 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 14:56:45,665 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 14:56:45,665 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 14:56:45,665 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 14:56:45,665 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 14:56:45,665 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 14:56:45,666 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 14:56:45,666 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 14:56:45,666 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 14:56:45,666 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 14:56:45,666 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 14:56:45,666 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 14:56:45,667 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 14:56:45,668 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 14:56:45,668 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 14:56:45,668 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 14:56:45,668 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 14:56:45,668 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 14:56:45,669 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 14:56:45,669 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 14:56:45,669 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 14:56:45,669 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 14:56:45,731 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 14:56:45,749 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 14:56:45,754 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 14:56:45,755 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 14:56:45,756 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 14:56:45,757 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label53_true-unreach-call.c [2018-11-07 14:56:45,820 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31e3ce785/7fcdd4c5ac6f439fad39eaf244f3e30b/FLAG897f6a124 [2018-11-07 14:56:46,672 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 14:56:46,673 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label53_true-unreach-call.c [2018-11-07 14:56:46,715 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31e3ce785/7fcdd4c5ac6f439fad39eaf244f3e30b/FLAG897f6a124 [2018-11-07 14:56:46,733 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31e3ce785/7fcdd4c5ac6f439fad39eaf244f3e30b [2018-11-07 14:56:46,746 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 14:56:46,748 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 14:56:46,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 14:56:46,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 14:56:46,755 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 14:56:46,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:56:46" (1/1) ... [2018-11-07 14:56:46,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@673adebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:56:46, skipping insertion in model container [2018-11-07 14:56:46,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:56:46" (1/1) ... [2018-11-07 14:56:46,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 14:56:46,991 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 14:56:48,406 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 14:56:48,411 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 14:56:49,254 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 14:56:49,293 INFO L193 MainTranslator]: Completed translation [2018-11-07 14:56:49,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:56:49 WrapperNode [2018-11-07 14:56:49,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 14:56:49,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 14:56:49,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 14:56:49,295 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 14:56:49,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:56:49" (1/1) ... [2018-11-07 14:56:49,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:56:49" (1/1) ... [2018-11-07 14:56:49,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 14:56:49,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 14:56:49,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 14:56:49,739 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 14:56:49,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:56:49" (1/1) ... [2018-11-07 14:56:49,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:56:49" (1/1) ... [2018-11-07 14:56:49,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:56:49" (1/1) ... [2018-11-07 14:56:49,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:56:49" (1/1) ... [2018-11-07 14:56:49,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:56:49" (1/1) ... [2018-11-07 14:56:49,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:56:49" (1/1) ... [2018-11-07 14:56:49,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:56:49" (1/1) ... [2018-11-07 14:56:49,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 14:56:49,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 14:56:49,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 14:56:49,998 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 14:56:49,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:56:49" (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 14:56:50,070 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 14:56:50,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 14:56:50,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 14:56:50,071 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-07 14:56:50,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-07 14:56:50,072 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-07 14:56:50,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-07 14:56:50,072 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 14:56:50,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 14:56:50,073 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 14:56:50,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 14:56:50,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 14:56:50,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 14:56:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 14:56:50,075 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 14:57:01,608 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 14:57:01,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:57:01 BoogieIcfgContainer [2018-11-07 14:57:01,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 14:57:01,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 14:57:01,612 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 14:57:01,616 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 14:57:01,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:56:46" (1/3) ... [2018-11-07 14:57:01,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5799dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:57:01, skipping insertion in model container [2018-11-07 14:57:01,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:56:49" (2/3) ... [2018-11-07 14:57:01,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5799dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:57:01, skipping insertion in model container [2018-11-07 14:57:01,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:57:01" (3/3) ... [2018-11-07 14:57:01,621 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label53_true-unreach-call.c [2018-11-07 14:57:01,634 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 14:57:01,650 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 14:57:01,668 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 14:57:01,734 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 14:57:01,734 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 14:57:01,735 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 14:57:01,735 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 14:57:01,735 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 14:57:01,735 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 14:57:01,735 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 14:57:01,735 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 14:57:01,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-11-07 14:57:01,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-07 14:57:01,813 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 14:57:01,814 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] [2018-11-07 14:57:01,816 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 14:57:01,823 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 14:57:01,824 INFO L82 PathProgramCache]: Analyzing trace with hash 403353444, now seen corresponding path program 1 times [2018-11-07 14:57:01,827 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 14:57:01,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:57:01,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 14:57:01,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:57:01,881 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 14:57:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 14:57:02,300 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 14:57:02,396 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 14:57:02,398 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 14:57:02,399 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 14:57:02,399 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 14:57:02,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 14:57:02,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 14:57:02,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 14:57:02,426 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-11-07 14:57:10,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 14:57:10,947 INFO L93 Difference]: Finished difference Result 3093 states and 5715 transitions. [2018-11-07 14:57:10,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 14:57:10,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-11-07 14:57:10,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 14:57:10,985 INFO L225 Difference]: With dead ends: 3093 [2018-11-07 14:57:10,985 INFO L226 Difference]: Without dead ends: 1971 [2018-11-07 14:57:10,997 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 14:57:11,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1971 states. [2018-11-07 14:57:11,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1971 to 1957. [2018-11-07 14:57:11,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1957 states. [2018-11-07 14:57:11,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 1957 states and 3535 transitions. [2018-11-07 14:57:11,272 INFO L78 Accepts]: Start accepts. Automaton has 1957 states and 3535 transitions. Word has length 38 [2018-11-07 14:57:11,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 14:57:11,273 INFO L480 AbstractCegarLoop]: Abstraction has 1957 states and 3535 transitions. [2018-11-07 14:57:11,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 14:57:11,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 3535 transitions. [2018-11-07 14:57:11,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-07 14:57:11,280 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 14:57:11,281 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 14:57:11,281 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 14:57:11,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 14:57:11,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1014320268, now seen corresponding path program 1 times [2018-11-07 14:57:11,282 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 14:57:11,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:57:11,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 14:57:11,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:57:11,284 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 14:57:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 14:57:11,656 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 14:57:11,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 14:57:11,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 14:57:11,657 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 14:57:11,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 14:57:11,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 14:57:11,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 14:57:11,660 INFO L87 Difference]: Start difference. First operand 1957 states and 3535 transitions. Second operand 6 states. [2018-11-07 14:57:23,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 14:57:23,552 INFO L93 Difference]: Finished difference Result 5627 states and 10356 transitions. [2018-11-07 14:57:23,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 14:57:23,553 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 121 [2018-11-07 14:57:23,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 14:57:23,583 INFO L225 Difference]: With dead ends: 5627 [2018-11-07 14:57:23,583 INFO L226 Difference]: Without dead ends: 3676 [2018-11-07 14:57:23,591 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 14:57:23,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2018-11-07 14:57:23,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3643. [2018-11-07 14:57:23,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3643 states. [2018-11-07 14:57:23,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3643 states to 3643 states and 5987 transitions. [2018-11-07 14:57:23,722 INFO L78 Accepts]: Start accepts. Automaton has 3643 states and 5987 transitions. Word has length 121 [2018-11-07 14:57:23,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 14:57:23,724 INFO L480 AbstractCegarLoop]: Abstraction has 3643 states and 5987 transitions. [2018-11-07 14:57:23,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 14:57:23,724 INFO L276 IsEmpty]: Start isEmpty. Operand 3643 states and 5987 transitions. [2018-11-07 14:57:23,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-07 14:57:23,736 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 14:57:23,737 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 14:57:23,737 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 14:57:23,737 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 14:57:23,738 INFO L82 PathProgramCache]: Analyzing trace with hash -504039204, now seen corresponding path program 1 times [2018-11-07 14:57:23,738 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 14:57:23,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:57:23,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 14:57:23,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:57:23,740 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 14:57:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 14:57:23,957 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 14:57:23,958 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 14:57:23,958 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 14:57:23,958 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 14:57:23,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 14:57:23,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 14:57:23,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 14:57:23,960 INFO L87 Difference]: Start difference. First operand 3643 states and 5987 transitions. Second operand 5 states. [2018-11-07 14:57:33,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 14:57:33,965 INFO L93 Difference]: Finished difference Result 10948 states and 18497 transitions. [2018-11-07 14:57:33,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 14:57:33,966 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2018-11-07 14:57:33,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 14:57:34,009 INFO L225 Difference]: With dead ends: 10948 [2018-11-07 14:57:34,009 INFO L226 Difference]: Without dead ends: 7311 [2018-11-07 14:57:34,024 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 14:57:34,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7311 states. [2018-11-07 14:57:34,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7311 to 7121. [2018-11-07 14:57:34,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7121 states. [2018-11-07 14:57:34,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7121 states to 7121 states and 10911 transitions. [2018-11-07 14:57:34,260 INFO L78 Accepts]: Start accepts. Automaton has 7121 states and 10911 transitions. Word has length 137 [2018-11-07 14:57:34,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 14:57:34,261 INFO L480 AbstractCegarLoop]: Abstraction has 7121 states and 10911 transitions. [2018-11-07 14:57:34,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 14:57:34,261 INFO L276 IsEmpty]: Start isEmpty. Operand 7121 states and 10911 transitions. [2018-11-07 14:57:34,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-07 14:57:34,267 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 14:57:34,267 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 14:57:34,267 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 14:57:34,268 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 14:57:34,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1493608594, now seen corresponding path program 1 times [2018-11-07 14:57:34,269 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 14:57:34,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:57:34,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 14:57:34,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:57:34,270 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 14:57:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 14:57:34,652 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 14:57:34,795 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 14:57:34,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 14:57:34,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 14:57:34,796 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 14:57:34,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 14:57:34,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 14:57:34,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 14:57:34,797 INFO L87 Difference]: Start difference. First operand 7121 states and 10911 transitions. Second operand 6 states. [2018-11-07 14:57:45,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 14:57:45,415 INFO L93 Difference]: Finished difference Result 19738 states and 31215 transitions. [2018-11-07 14:57:45,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 14:57:45,426 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2018-11-07 14:57:45,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 14:57:45,501 INFO L225 Difference]: With dead ends: 19738 [2018-11-07 14:57:45,504 INFO L226 Difference]: Without dead ends: 12623 [2018-11-07 14:57:45,545 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 14:57:45,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12623 states. [2018-11-07 14:57:45,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12623 to 12416. [2018-11-07 14:57:45,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12416 states. [2018-11-07 14:57:45,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12416 states to 12416 states and 17988 transitions. [2018-11-07 14:57:45,879 INFO L78 Accepts]: Start accepts. Automaton has 12416 states and 17988 transitions. Word has length 174 [2018-11-07 14:57:45,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 14:57:45,879 INFO L480 AbstractCegarLoop]: Abstraction has 12416 states and 17988 transitions. [2018-11-07 14:57:45,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 14:57:45,880 INFO L276 IsEmpty]: Start isEmpty. Operand 12416 states and 17988 transitions. [2018-11-07 14:57:45,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-07 14:57:45,885 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 14:57:45,886 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 14:57:45,886 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 14:57:45,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 14:57:45,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1047575411, now seen corresponding path program 1 times [2018-11-07 14:57:45,887 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 14:57:45,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:57:45,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 14:57:45,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:57:45,888 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 14:57:45,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 14:57:46,448 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 14:57:46,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 14:57:46,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 14:57:46,449 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 14:57:46,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 14:57:46,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 14:57:46,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-07 14:57:46,450 INFO L87 Difference]: Start difference. First operand 12416 states and 17988 transitions. Second operand 6 states. [2018-11-07 14:58:00,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 14:58:00,926 INFO L93 Difference]: Finished difference Result 42951 states and 69468 transitions. [2018-11-07 14:58:00,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-07 14:58:00,927 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 196 [2018-11-07 14:58:00,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 14:58:01,094 INFO L225 Difference]: With dead ends: 42951 [2018-11-07 14:58:01,095 INFO L226 Difference]: Without dead ends: 30541 [2018-11-07 14:58:01,172 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-07 14:58:01,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30541 states. [2018-11-07 14:58:01,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30541 to 30295. [2018-11-07 14:58:01,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30295 states. [2018-11-07 14:58:02,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30295 states to 30295 states and 43915 transitions. [2018-11-07 14:58:02,079 INFO L78 Accepts]: Start accepts. Automaton has 30295 states and 43915 transitions. Word has length 196 [2018-11-07 14:58:02,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 14:58:02,080 INFO L480 AbstractCegarLoop]: Abstraction has 30295 states and 43915 transitions. [2018-11-07 14:58:02,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 14:58:02,080 INFO L276 IsEmpty]: Start isEmpty. Operand 30295 states and 43915 transitions. [2018-11-07 14:58:02,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-07 14:58:02,090 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 14:58:02,090 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:58:02,090 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 14:58:02,091 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 14:58:02,091 INFO L82 PathProgramCache]: Analyzing trace with hash -1056237497, now seen corresponding path program 1 times [2018-11-07 14:58:02,091 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 14:58:02,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:58:02,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 14:58:02,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:58:02,092 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 14:58:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 14:58:02,440 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 14:58:02,909 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 14:58:02,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 14:58:02,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 14:58:02,910 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 14:58:02,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 14:58:02,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 14:58:02,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 14:58:02,912 INFO L87 Difference]: Start difference. First operand 30295 states and 43915 transitions. Second operand 6 states. [2018-11-07 14:58:14,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 14:58:14,286 INFO L93 Difference]: Finished difference Result 73835 states and 115996 transitions. [2018-11-07 14:58:14,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 14:58:14,290 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 219 [2018-11-07 14:58:14,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 14:58:14,502 INFO L225 Difference]: With dead ends: 73835 [2018-11-07 14:58:14,502 INFO L226 Difference]: Without dead ends: 43546 [2018-11-07 14:58:14,614 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 14:58:14,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43546 states. [2018-11-07 14:58:15,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43546 to 43233. [2018-11-07 14:58:15,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43233 states. [2018-11-07 14:58:15,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43233 states to 43233 states and 61314 transitions. [2018-11-07 14:58:15,941 INFO L78 Accepts]: Start accepts. Automaton has 43233 states and 61314 transitions. Word has length 219 [2018-11-07 14:58:15,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 14:58:15,942 INFO L480 AbstractCegarLoop]: Abstraction has 43233 states and 61314 transitions. [2018-11-07 14:58:15,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 14:58:15,942 INFO L276 IsEmpty]: Start isEmpty. Operand 43233 states and 61314 transitions. [2018-11-07 14:58:15,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-07 14:58:15,957 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 14:58:15,957 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 14:58:15,958 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 14:58:15,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 14:58:15,958 INFO L82 PathProgramCache]: Analyzing trace with hash 342183432, now seen corresponding path program 1 times [2018-11-07 14:58:15,958 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 14:58:15,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:58:15,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 14:58:15,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:58:15,966 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 14:58:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 14:58:16,240 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 62 proven. 94 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 14:58:16,240 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 14:58:16,241 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 14:58:16,241 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 244 with the following transitions: [2018-11-07 14:58:16,244 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2831], [2833], [2836], [2844], [2852], [2860], [2868], [2876], [2884], [2892], [2900], [2908], [2916], [2924], [2932], [2940], [2948], [2956], [2964], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3257], [3258], [3262], [3266], [3270], [3274], [3278], [3282], [3285], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-11-07 14:58:16,299 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 14:58:16,300 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 14:58:17,126 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 14:58:17,128 INFO L272 AbstractInterpreter]: Visited 111 different actions 111 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-11-07 14:58:17,173 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 14:58:17,173 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 14:58:18,109 INFO L227 lantSequenceWeakener]: Weakened 221 states. On average, predicates are now at 71.31% of their original sizes. [2018-11-07 14:58:18,109 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 14:58:18,914 INFO L415 sIntCurrentIteration]: We unified 242 AI predicates to 242 [2018-11-07 14:58:18,915 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 14:58:18,916 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 14:58:18,916 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2018-11-07 14:58:18,916 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 14:58:18,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 14:58:18,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 14:58:18,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-11-07 14:58:18,917 INFO L87 Difference]: Start difference. First operand 43233 states and 61314 transitions. Second operand 11 states. [2018-11-07 14:58:28,202 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-11-07 15:00:38,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-07 15:00:38,685 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 15:00:38,690 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 15:00:38,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:00:38 BoogieIcfgContainer [2018-11-07 15:00:38,691 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 15:00:38,692 INFO L168 Benchmark]: Toolchain (without parser) took 231945.47 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.4 GB in the end (delta: -2.0 GB). Peak memory consumption was 589.1 MB. Max. memory is 7.1 GB. [2018-11-07 15:00:38,693 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 15:00:38,694 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2545.13 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-11-07 15:00:38,695 INFO L168 Benchmark]: Boogie Procedure Inliner took 443.15 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 766.0 MB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 67.6 MB. Max. memory is 7.1 GB. [2018-11-07 15:00:38,696 INFO L168 Benchmark]: Boogie Preprocessor took 258.72 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. [2018-11-07 15:00:38,697 INFO L168 Benchmark]: RCFGBuilder took 11613.08 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 222.3 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: -82.5 MB). Peak memory consumption was 711.2 MB. Max. memory is 7.1 GB. [2018-11-07 15:00:38,698 INFO L168 Benchmark]: TraceAbstraction took 217079.43 ms. Allocated memory was 2.5 GB in the beginning and 4.1 GB in the end (delta: 1.6 GB). Free memory was 2.2 GB in the beginning and 3.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 463.4 MB. Max. memory is 7.1 GB. [2018-11-07 15:00:38,704 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2545.13 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 443.15 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 766.0 MB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 67.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 258.72 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11613.08 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 222.3 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: -82.5 MB). Peak memory consumption was 711.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 217079.43 ms. Allocated memory was 2.5 GB in the beginning and 4.1 GB in the end (delta: 1.6 GB). Free memory was 2.2 GB in the beginning and 3.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 463.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 105). Cancelled while BasicCegarLoop was constructing difference of abstraction (43233states) and FLOYD_HOARE automaton (currently 10 states, 11 states before enhancement),while ReachableStatesComputation was computing reachable states (12027 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 216.9s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 207.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2912 SDtfs, 23523 SDslu, 3031 SDs, 0 SdLazy, 34743 SolverSat, 9003 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 178.5s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 302 GetRequests, 248 SyntacticMatches, 5 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43233occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.9s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9978733163470859 AbsIntWeakeningRatio, 0.1115702479338843 AbsIntAvgWeakeningVarsNumRemoved, 0.2231404958677686 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 1003 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1128 NumberOfCodeBlocks, 1128 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1121 ConstructedInterpolants, 0 QuantifiedInterpolants, 922593 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 222/316 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown