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/Problem19_label40_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 19:52:53,422 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 19:52:53,424 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 19:52:53,436 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 19:52:53,436 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 19:52:53,437 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 19:52:53,438 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 19:52:53,440 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 19:52:53,442 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 19:52:53,443 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 19:52:53,444 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 19:52:53,444 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 19:52:53,445 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 19:52:53,446 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 19:52:53,447 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 19:52:53,448 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 19:52:53,449 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 19:52:53,451 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 19:52:53,453 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 19:52:53,454 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 19:52:53,455 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 19:52:53,457 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 19:52:53,459 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 19:52:53,460 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 19:52:53,460 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 19:52:53,461 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 19:52:53,462 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 19:52:53,463 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 19:52:53,463 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 19:52:53,465 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 19:52:53,465 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 19:52:53,466 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-12 19:52:53,466 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-12 19:52:53,466 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-12 19:52:53,467 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-12 19:52:53,468 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-12 19:52:53,469 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 [2018-11-12 19:52:53,483 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 19:52:53,484 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 19:52:53,485 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 19:52:53,485 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 19:52:53,485 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 19:52:53,485 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 19:52:53,485 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 19:52:53,486 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 19:52:53,486 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 19:52:53,486 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 19:52:53,486 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 19:52:53,487 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 19:52:53,487 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 19:52:53,487 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 19:52:53,488 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 19:52:53,488 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 19:52:53,488 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 19:52:53,488 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 19:52:53,489 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 19:52:53,489 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 19:52:53,489 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 19:52:53,489 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 19:52:53,489 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 19:52:53,490 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 19:52:53,490 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 19:52:53,490 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 19:52:53,490 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 19:52:53,490 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 19:52:53,491 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 19:52:53,491 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 19:52:53,491 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 19:52:53,491 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 19:52:53,491 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 19:52:53,492 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 19:52:53,492 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 19:52:53,536 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 19:52:53,549 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 19:52:53,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 19:52:53,555 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 19:52:53,555 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 19:52:53,556 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label40_true-unreach-call.c [2018-11-12 19:52:53,614 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaf5d057d/5e1215dd98d147d9b3cb9719142aafde/FLAGe4c962040 [2018-11-12 19:52:54,476 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 19:52:54,478 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label40_true-unreach-call.c [2018-11-12 19:52:54,526 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaf5d057d/5e1215dd98d147d9b3cb9719142aafde/FLAGe4c962040 [2018-11-12 19:52:54,544 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaf5d057d/5e1215dd98d147d9b3cb9719142aafde [2018-11-12 19:52:54,557 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 19:52:54,559 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 19:52:54,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 19:52:54,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 19:52:54,569 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 19:52:54,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:52:54" (1/1) ... [2018-11-12 19:52:54,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f6e4021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:52:54, skipping insertion in model container [2018-11-12 19:52:54,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:52:54" (1/1) ... [2018-11-12 19:52:54,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 19:52:54,851 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 19:52:56,843 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 19:52:56,849 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 19:52:58,028 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 19:52:58,088 INFO L193 MainTranslator]: Completed translation [2018-11-12 19:52:58,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:52:58 WrapperNode [2018-11-12 19:52:58,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 19:52:58,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 19:52:58,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 19:52:58,091 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 19:52:58,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:52:58" (1/1) ... [2018-11-12 19:52:58,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:52:58" (1/1) ... [2018-11-12 19:52:58,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 19:52:58,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 19:52:58,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 19:52:58,603 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 19:52:58,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:52:58" (1/1) ... [2018-11-12 19:52:58,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:52:58" (1/1) ... [2018-11-12 19:52:58,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:52:58" (1/1) ... [2018-11-12 19:52:58,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:52:58" (1/1) ... [2018-11-12 19:52:58,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:52:58" (1/1) ... [2018-11-12 19:52:58,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:52:58" (1/1) ... [2018-11-12 19:52:58,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:52:58" (1/1) ... [2018-11-12 19:52:59,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 19:52:59,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 19:52:59,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 19:52:59,075 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 19:52:59,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:52:58" (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 [2018-11-12 19:52:59,145 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 19:52:59,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 19:52:59,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 19:52:59,145 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-11-12 19:52:59,145 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-11-12 19:52:59,146 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-11-12 19:52:59,146 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-11-12 19:52:59,146 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-12 19:52:59,146 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-12 19:52:59,146 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-12 19:52:59,146 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-12 19:52:59,147 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-12 19:52:59,147 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-12 19:52:59,147 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 19:52:59,147 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 19:52:59,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 19:52:59,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 19:52:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 19:52:59,148 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 19:53:13,841 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 19:53:13,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:53:13 BoogieIcfgContainer [2018-11-12 19:53:13,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 19:53:13,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 19:53:13,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 19:53:13,846 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 19:53:13,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 07:52:54" (1/3) ... [2018-11-12 19:53:13,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@254c6b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:53:13, skipping insertion in model container [2018-11-12 19:53:13,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:52:58" (2/3) ... [2018-11-12 19:53:13,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@254c6b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:53:13, skipping insertion in model container [2018-11-12 19:53:13,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:53:13" (3/3) ... [2018-11-12 19:53:13,850 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label40_true-unreach-call.c [2018-11-12 19:53:13,860 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 19:53:13,870 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 19:53:13,888 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 19:53:13,947 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 19:53:13,947 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 19:53:13,947 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 19:53:13,947 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 19:53:13,947 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 19:53:13,948 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 19:53:13,948 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 19:53:13,948 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 19:53:14,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-11-12 19:53:14,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-12 19:53:14,024 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:53:14,027 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] [2018-11-12 19:53:14,029 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:53:14,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:53:14,038 INFO L82 PathProgramCache]: Analyzing trace with hash 779425490, now seen corresponding path program 1 times [2018-11-12 19:53:14,040 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:53:14,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:53:14,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:53:14,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:53:14,091 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:53:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:53:14,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:53:14,529 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:53:14,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-12 19:53:14,529 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:53:14,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 19:53:14,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 19:53:14,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 19:53:14,556 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-11-12 19:53:27,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:53:27,097 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-11-12 19:53:27,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 19:53:27,104 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-12 19:53:27,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:53:27,148 INFO L225 Difference]: With dead ends: 4998 [2018-11-12 19:53:27,149 INFO L226 Difference]: Without dead ends: 3218 [2018-11-12 19:53:27,163 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 19:53:27,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-11-12 19:53:27,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-11-12 19:53:27,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-11-12 19:53:27,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-11-12 19:53:27,353 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 53 [2018-11-12 19:53:27,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:53:27,354 INFO L480 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-11-12 19:53:27,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 19:53:27,354 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-11-12 19:53:27,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-12 19:53:27,362 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:53:27,362 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, 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] [2018-11-12 19:53:27,362 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:53:27,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:53:27,363 INFO L82 PathProgramCache]: Analyzing trace with hash 401616796, now seen corresponding path program 1 times [2018-11-12 19:53:27,363 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:53:27,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:53:27,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:53:27,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:53:27,365 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:53:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:53:27,724 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 19:53:28,103 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:53:28,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:53:28,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 19:53:28,104 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:53:28,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 19:53:28,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 19:53:28,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 19:53:28,107 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-11-12 19:53:52,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:53:52,227 INFO L93 Difference]: Finished difference Result 9340 states and 16946 transitions. [2018-11-12 19:53:52,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 19:53:52,237 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-11-12 19:53:52,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:53:52,273 INFO L225 Difference]: With dead ends: 9340 [2018-11-12 19:53:52,273 INFO L226 Difference]: Without dead ends: 6131 [2018-11-12 19:53:52,284 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-12 19:53:52,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6131 states. [2018-11-12 19:53:52,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6131 to 6091. [2018-11-12 19:53:52,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6091 states. [2018-11-12 19:53:52,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6091 states to 6091 states and 9637 transitions. [2018-11-12 19:53:52,478 INFO L78 Accepts]: Start accepts. Automaton has 6091 states and 9637 transitions. Word has length 125 [2018-11-12 19:53:52,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:53:52,479 INFO L480 AbstractCegarLoop]: Abstraction has 6091 states and 9637 transitions. [2018-11-12 19:53:52,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 19:53:52,479 INFO L276 IsEmpty]: Start isEmpty. Operand 6091 states and 9637 transitions. [2018-11-12 19:53:52,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-12 19:53:52,483 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:53:52,483 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, 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] [2018-11-12 19:53:52,483 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:53:52,484 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:53:52,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1122712729, now seen corresponding path program 1 times [2018-11-12 19:53:52,484 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:53:52,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:53:52,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:53:52,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:53:52,485 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:53:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:53:52,708 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:53:52,708 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:53:52,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 19:53:52,708 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:53:52,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 19:53:52,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 19:53:52,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 19:53:52,710 INFO L87 Difference]: Start difference. First operand 6091 states and 9637 transitions. Second operand 6 states. [2018-11-12 19:54:13,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:54:13,261 INFO L93 Difference]: Finished difference Result 21091 states and 34228 transitions. [2018-11-12 19:54:13,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 19:54:13,263 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2018-11-12 19:54:13,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:54:13,337 INFO L225 Difference]: With dead ends: 21091 [2018-11-12 19:54:13,337 INFO L226 Difference]: Without dead ends: 15006 [2018-11-12 19:54:13,360 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 [2018-11-12 19:54:13,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15006 states. [2018-11-12 19:54:13,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15006 to 14817. [2018-11-12 19:54:13,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14817 states. [2018-11-12 19:54:13,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14817 states to 14817 states and 22424 transitions. [2018-11-12 19:54:13,721 INFO L78 Accepts]: Start accepts. Automaton has 14817 states and 22424 transitions. Word has length 127 [2018-11-12 19:54:13,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:54:13,722 INFO L480 AbstractCegarLoop]: Abstraction has 14817 states and 22424 transitions. [2018-11-12 19:54:13,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 19:54:13,722 INFO L276 IsEmpty]: Start isEmpty. Operand 14817 states and 22424 transitions. [2018-11-12 19:54:13,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-12 19:54:13,726 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:54:13,727 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, 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] [2018-11-12 19:54:13,727 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:54:13,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:54:13,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1500340952, now seen corresponding path program 1 times [2018-11-12 19:54:13,728 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:54:13,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:54:13,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:54:13,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:54:13,729 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:54:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:54:14,307 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:54:14,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:54:14,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 19:54:14,308 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:54:14,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 19:54:14,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 19:54:14,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-12 19:54:14,309 INFO L87 Difference]: Start difference. First operand 14817 states and 22424 transitions. Second operand 6 states. [2018-11-12 19:54:42,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:54:42,569 INFO L93 Difference]: Finished difference Result 58662 states and 93371 transitions. [2018-11-12 19:54:42,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 19:54:42,570 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-11-12 19:54:42,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:54:42,818 INFO L225 Difference]: With dead ends: 58662 [2018-11-12 19:54:42,818 INFO L226 Difference]: Without dead ends: 43851 [2018-11-12 19:54:42,911 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-12 19:54:42,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43851 states. [2018-11-12 19:54:44,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43851 to 43753. [2018-11-12 19:54:44,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43753 states. [2018-11-12 19:54:44,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43753 states to 43753 states and 63249 transitions. [2018-11-12 19:54:44,287 INFO L78 Accepts]: Start accepts. Automaton has 43753 states and 63249 transitions. Word has length 149 [2018-11-12 19:54:44,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:54:44,288 INFO L480 AbstractCegarLoop]: Abstraction has 43753 states and 63249 transitions. [2018-11-12 19:54:44,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 19:54:44,288 INFO L276 IsEmpty]: Start isEmpty. Operand 43753 states and 63249 transitions. [2018-11-12 19:54:44,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-12 19:54:44,294 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:54:44,294 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 19:54:44,297 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:54:44,298 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:54:44,298 INFO L82 PathProgramCache]: Analyzing trace with hash 463189276, now seen corresponding path program 1 times [2018-11-12 19:54:44,298 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:54:44,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:54:44,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:54:44,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:54:44,300 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:54:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:54:44,662 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:54:44,663 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:54:44,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-12 19:54:44,663 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:54:44,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-12 19:54:44,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-12 19:54:44,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-12 19:54:44,666 INFO L87 Difference]: Start difference. First operand 43753 states and 63249 transitions. Second operand 5 states. [2018-11-12 19:55:02,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:55:02,454 INFO L93 Difference]: Finished difference Result 132423 states and 204539 transitions. [2018-11-12 19:55:02,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 19:55:02,458 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2018-11-12 19:55:02,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:55:02,837 INFO L225 Difference]: With dead ends: 132423 [2018-11-12 19:55:02,838 INFO L226 Difference]: Without dead ends: 88676 [2018-11-12 19:55:02,966 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-12 19:55:03,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88676 states. [2018-11-12 19:55:04,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88676 to 87923. [2018-11-12 19:55:04,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87923 states. [2018-11-12 19:55:04,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87923 states to 87923 states and 120993 transitions. [2018-11-12 19:55:04,754 INFO L78 Accepts]: Start accepts. Automaton has 87923 states and 120993 transitions. Word has length 158 [2018-11-12 19:55:04,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:55:04,755 INFO L480 AbstractCegarLoop]: Abstraction has 87923 states and 120993 transitions. [2018-11-12 19:55:04,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-12 19:55:04,755 INFO L276 IsEmpty]: Start isEmpty. Operand 87923 states and 120993 transitions. [2018-11-12 19:55:04,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-12 19:55:04,763 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:55:04,763 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, 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] [2018-11-12 19:55:04,763 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:55:04,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:55:04,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1081973083, now seen corresponding path program 1 times [2018-11-12 19:55:04,764 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:55:04,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:55:04,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:55:04,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:55:04,765 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:55:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:55:05,177 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:55:05,177 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:55:05,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 19:55:05,177 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:55:05,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 19:55:05,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 19:55:05,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 19:55:05,179 INFO L87 Difference]: Start difference. First operand 87923 states and 120993 transitions. Second operand 6 states. [2018-11-12 19:55:26,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:55:26,768 INFO L93 Difference]: Finished difference Result 207559 states and 303766 transitions. [2018-11-12 19:55:26,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 19:55:26,769 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 186 [2018-11-12 19:55:26,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:55:27,197 INFO L225 Difference]: With dead ends: 207559 [2018-11-12 19:55:27,197 INFO L226 Difference]: Without dead ends: 119642 [2018-11-12 19:55:27,405 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 [2018-11-12 19:55:27,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119642 states. [2018-11-12 19:55:29,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119642 to 119240. [2018-11-12 19:55:29,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119240 states. [2018-11-12 19:55:29,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119240 states to 119240 states and 160182 transitions. [2018-11-12 19:55:29,571 INFO L78 Accepts]: Start accepts. Automaton has 119240 states and 160182 transitions. Word has length 186 [2018-11-12 19:55:29,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:55:29,571 INFO L480 AbstractCegarLoop]: Abstraction has 119240 states and 160182 transitions. [2018-11-12 19:55:29,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 19:55:29,575 INFO L276 IsEmpty]: Start isEmpty. Operand 119240 states and 160182 transitions. [2018-11-12 19:55:29,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-12 19:55:29,591 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:55:29,591 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 19:55:29,592 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:55:29,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:55:29,592 INFO L82 PathProgramCache]: Analyzing trace with hash 106766042, now seen corresponding path program 1 times [2018-11-12 19:55:29,592 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:55:29,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:55:29,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:55:29,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:55:29,593 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:55:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:55:29,876 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 19:55:29,924 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 92 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-12 19:55:29,924 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 19:55:29,924 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 19:55:29,925 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 225 with the following transitions: [2018-11-12 19:55:29,928 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5538], [5546], [5550], [5552], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5719], [5722], [5726], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5877], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-11-12 19:55:29,982 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 19:55:29,982 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 19:55:30,560 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 19:55:30,565 INFO L272 AbstractInterpreter]: Visited 104 different actions 104 times. Never merged. Never widened. Performed 1015 root evaluator evaluations with a maximum evaluation depth of 4. Performed 1015 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Never found a fixpoint. Largest state had 26 variables. [2018-11-12 19:55:30,624 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:55:30,624 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 19:55:31,294 INFO L227 lantSequenceWeakener]: Weakened 213 states. On average, predicates are now at 75.6% of their original sizes. [2018-11-12 19:55:31,294 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 19:55:31,485 INFO L415 sIntCurrentIteration]: We unified 223 AI predicates to 223 [2018-11-12 19:55:31,485 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 19:55:31,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 19:55:31,486 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-11-12 19:55:31,486 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:55:31,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-12 19:55:31,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-12 19:55:31,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-12 19:55:31,488 INFO L87 Difference]: Start difference. First operand 119240 states and 160182 transitions. Second operand 7 states. [2018-11-12 19:55:41,492 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-11-12 19:56:25,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 19:56:25,484 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-12 19:56:25,491 WARN L205 ceAbstractionStarter]: Timeout [2018-11-12 19:56:25,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 07:56:25 BoogieIcfgContainer [2018-11-12 19:56:25,492 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 19:56:25,493 INFO L168 Benchmark]: Toolchain (without parser) took 210934.98 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 130.8 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-11-12 19:56:25,494 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-12 19:56:25,494 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3525.50 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 401.6 MB). Peak memory consumption was 401.6 MB. Max. memory is 7.1 GB. [2018-11-12 19:56:25,495 INFO L168 Benchmark]: Boogie Procedure Inliner took 511.21 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 854.6 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. [2018-11-12 19:56:25,496 INFO L168 Benchmark]: Boogie Preprocessor took 471.96 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 51.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 7.1 GB. [2018-11-12 19:56:25,497 INFO L168 Benchmark]: RCFGBuilder took 14767.14 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 154.7 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 504.7 MB). Peak memory consumption was 663.1 MB. Max. memory is 7.1 GB. [2018-11-12 19:56:25,498 INFO L168 Benchmark]: TraceAbstraction took 191649.03 ms. Allocated memory was 2.5 GB in the beginning and 3.3 GB in the end (delta: 727.7 MB). Free memory was 1.7 GB in the beginning and 1.3 GB in the end (delta: 468.2 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-11-12 19:56:25,504 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3525.50 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 401.6 MB). Peak memory consumption was 401.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 511.21 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 854.6 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 471.96 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 51.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 14767.14 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 154.7 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 504.7 MB). Peak memory consumption was 663.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 191649.03 ms. Allocated memory was 2.5 GB in the beginning and 3.3 GB in the end (delta: 727.7 MB). Free memory was 1.7 GB in the beginning and 1.3 GB in the end (delta: 468.2 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 154]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 154). Cancelled while BasicCegarLoop was constructing difference of abstraction (119240states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (163092 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 191.5s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 180.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5205 SDtfs, 36785 SDslu, 4708 SDs, 0 SdLazy, 68566 SolverSat, 13922 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 119.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 275 GetRequests, 232 SyntacticMatches, 5 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119240occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.6s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9978789651240423 AbsIntWeakeningRatio, 0.12556053811659193 AbsIntAvgWeakeningVarsNumRemoved, 19.30493273542601 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 6.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 1485 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1022 NumberOfCodeBlocks, 1022 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1015 ConstructedInterpolants, 0 QuantifiedInterpolants, 662486 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 327/392 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown