java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label53_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 07:59:59,760 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 07:59:59,763 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 07:59:59,780 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 07:59:59,781 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 07:59:59,783 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 07:59:59,784 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 07:59:59,786 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 07:59:59,788 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 07:59:59,790 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 07:59:59,791 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 07:59:59,791 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 07:59:59,794 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 07:59:59,797 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 07:59:59,804 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 07:59:59,805 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 07:59:59,807 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 07:59:59,811 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 07:59:59,814 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 07:59:59,817 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 07:59:59,818 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 07:59:59,819 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 07:59:59,822 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 07:59:59,822 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 07:59:59,823 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 07:59:59,824 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 07:59:59,825 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 07:59:59,827 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 07:59:59,827 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 07:59:59,829 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 07:59:59,829 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 07:59:59,830 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 07:59:59,830 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 07:59:59,830 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 07:59:59,831 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 07:59:59,831 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 07:59:59,833 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-27 07:59:59,860 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 07:59:59,860 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 07:59:59,861 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 07:59:59,861 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 07:59:59,861 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 07:59:59,861 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 07:59:59,861 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-27 07:59:59,862 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 07:59:59,862 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 07:59:59,862 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 07:59:59,862 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 07:59:59,862 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 07:59:59,863 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 07:59:59,863 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 07:59:59,863 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 07:59:59,864 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 07:59:59,864 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 07:59:59,864 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 07:59:59,864 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 07:59:59,864 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 07:59:59,865 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 07:59:59,865 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 07:59:59,865 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 07:59:59,865 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 07:59:59,865 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 07:59:59,865 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 07:59:59,866 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 07:59:59,866 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 07:59:59,866 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 07:59:59,866 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 07:59:59,866 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 07:59:59,867 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 07:59:59,867 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 07:59:59,867 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 07:59:59,867 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 07:59:59,867 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 07:59:59,921 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 07:59:59,936 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 07:59:59,940 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 07:59:59,941 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 07:59:59,942 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 07:59:59,942 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label53_true-unreach-call.c [2018-10-27 08:00:00,023 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a76f3c0be/a6c50f74998043509e7bc91b8008b3c4/FLAG199e7071f [2018-10-27 08:00:00,973 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 08:00:00,974 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label53_true-unreach-call.c [2018-10-27 08:00:01,035 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a76f3c0be/a6c50f74998043509e7bc91b8008b3c4/FLAG199e7071f [2018-10-27 08:00:01,055 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a76f3c0be/a6c50f74998043509e7bc91b8008b3c4 [2018-10-27 08:00:01,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 08:00:01,073 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 08:00:01,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 08:00:01,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 08:00:01,082 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 08:00:01,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:00:01" (1/1) ... [2018-10-27 08:00:01,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@540df47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:00:01, skipping insertion in model container [2018-10-27 08:00:01,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:00:01" (1/1) ... [2018-10-27 08:00:01,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 08:00:01,269 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 08:00:02,717 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 08:00:02,722 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 08:00:03,516 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 08:00:03,555 INFO L193 MainTranslator]: Completed translation [2018-10-27 08:00:03,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:00:03 WrapperNode [2018-10-27 08:00:03,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 08:00:03,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 08:00:03,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 08:00:03,558 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 08:00:03,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:00:03" (1/1) ... [2018-10-27 08:00:03,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:00:03" (1/1) ... [2018-10-27 08:00:04,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 08:00:04,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 08:00:04,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 08:00:04,180 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 08:00:04,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:00:03" (1/1) ... [2018-10-27 08:00:04,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:00:03" (1/1) ... [2018-10-27 08:00:04,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:00:03" (1/1) ... [2018-10-27 08:00:04,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:00:03" (1/1) ... [2018-10-27 08:00:04,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:00:03" (1/1) ... [2018-10-27 08:00:04,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:00:03" (1/1) ... [2018-10-27 08:00:04,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:00:03" (1/1) ... [2018-10-27 08:00:04,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 08:00:04,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 08:00:04,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 08:00:04,516 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 08:00:04,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:00:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-27 08:00:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 08:00:04,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 08:00:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-27 08:00:04,587 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-27 08:00:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-27 08:00:04,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-27 08:00:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-27 08:00:04,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-27 08:00:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 08:00:04,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 08:00:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 08:00:04,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 08:00:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 08:00:04,590 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 08:00:16,044 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 08:00:16,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:00:16 BoogieIcfgContainer [2018-10-27 08:00:16,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 08:00:16,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 08:00:16,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 08:00:16,057 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 08:00:16,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:00:01" (1/3) ... [2018-10-27 08:00:16,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45859ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:00:16, skipping insertion in model container [2018-10-27 08:00:16,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:00:03" (2/3) ... [2018-10-27 08:00:16,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45859ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:00:16, skipping insertion in model container [2018-10-27 08:00:16,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:00:16" (3/3) ... [2018-10-27 08:00:16,063 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label53_true-unreach-call.c [2018-10-27 08:00:16,075 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 08:00:16,093 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 08:00:16,115 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 08:00:16,167 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 08:00:16,167 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 08:00:16,168 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 08:00:16,168 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 08:00:16,168 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 08:00:16,168 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 08:00:16,168 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 08:00:16,169 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 08:00:16,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-10-27 08:00:16,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-27 08:00:16,221 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:00:16,222 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] [2018-10-27 08:00:16,224 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:00:16,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:00:16,234 INFO L82 PathProgramCache]: Analyzing trace with hash 403353444, now seen corresponding path program 1 times [2018-10-27 08:00:16,237 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:00:16,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:00:16,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:00:16,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:00:16,301 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:00:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:00:16,725 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 08:00:16,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:00:16,802 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:00:16,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 08:00:16,803 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:00:16,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 08:00:16,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 08:00:16,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 08:00:16,833 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-10-27 08:00:28,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:00:28,163 INFO L93 Difference]: Finished difference Result 3093 states and 5715 transitions. [2018-10-27 08:00:28,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 08:00:28,166 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-10-27 08:00:28,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:00:28,208 INFO L225 Difference]: With dead ends: 3093 [2018-10-27 08:00:28,208 INFO L226 Difference]: Without dead ends: 1971 [2018-10-27 08:00:28,223 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 08:00:28,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1971 states. [2018-10-27 08:00:28,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1971 to 1957. [2018-10-27 08:00:28,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1957 states. [2018-10-27 08:00:28,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 1957 states and 3535 transitions. [2018-10-27 08:00:28,415 INFO L78 Accepts]: Start accepts. Automaton has 1957 states and 3535 transitions. Word has length 38 [2018-10-27 08:00:28,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:00:28,416 INFO L481 AbstractCegarLoop]: Abstraction has 1957 states and 3535 transitions. [2018-10-27 08:00:28,416 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 08:00:28,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 3535 transitions. [2018-10-27 08:00:28,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-27 08:00:28,428 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:00:28,428 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] [2018-10-27 08:00:28,428 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:00:28,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:00:28,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1014320268, now seen corresponding path program 1 times [2018-10-27 08:00:28,429 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:00:28,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:00:28,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:00:28,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:00:28,431 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:00:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:00:28,782 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:00:28,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:00:28,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 08:00:28,783 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:00:28,785 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 08:00:28,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 08:00:28,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 08:00:28,786 INFO L87 Difference]: Start difference. First operand 1957 states and 3535 transitions. Second operand 6 states. [2018-10-27 08:00:43,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:00:43,372 INFO L93 Difference]: Finished difference Result 5627 states and 10356 transitions. [2018-10-27 08:00:43,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 08:00:43,373 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 121 [2018-10-27 08:00:43,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:00:43,398 INFO L225 Difference]: With dead ends: 5627 [2018-10-27 08:00:43,398 INFO L226 Difference]: Without dead ends: 3676 [2018-10-27 08:00:43,407 INFO L605 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 [2018-10-27 08:00:43,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2018-10-27 08:00:43,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3643. [2018-10-27 08:00:43,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3643 states. [2018-10-27 08:00:43,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3643 states to 3643 states and 5987 transitions. [2018-10-27 08:00:43,523 INFO L78 Accepts]: Start accepts. Automaton has 3643 states and 5987 transitions. Word has length 121 [2018-10-27 08:00:43,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:00:43,524 INFO L481 AbstractCegarLoop]: Abstraction has 3643 states and 5987 transitions. [2018-10-27 08:00:43,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 08:00:43,524 INFO L276 IsEmpty]: Start isEmpty. Operand 3643 states and 5987 transitions. [2018-10-27 08:00:43,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-27 08:00:43,529 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:00:43,530 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] [2018-10-27 08:00:43,530 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:00:43,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:00:43,531 INFO L82 PathProgramCache]: Analyzing trace with hash -504039204, now seen corresponding path program 1 times [2018-10-27 08:00:43,531 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:00:43,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:00:43,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:00:43,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:00:43,533 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:00:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:00:43,809 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:00:43,809 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:00:43,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 08:00:43,810 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:00:43,810 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 08:00:43,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 08:00:43,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 08:00:43,811 INFO L87 Difference]: Start difference. First operand 3643 states and 5987 transitions. Second operand 5 states. [2018-10-27 08:00:59,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:00:59,992 INFO L93 Difference]: Finished difference Result 10958 states and 18516 transitions. [2018-10-27 08:00:59,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 08:00:59,992 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2018-10-27 08:00:59,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:01:00,042 INFO L225 Difference]: With dead ends: 10958 [2018-10-27 08:01:00,042 INFO L226 Difference]: Without dead ends: 7321 [2018-10-27 08:01:00,057 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-27 08:01:00,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7321 states. [2018-10-27 08:01:00,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7321 to 7130. [2018-10-27 08:01:00,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7130 states. [2018-10-27 08:01:00,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7130 states to 7130 states and 10922 transitions. [2018-10-27 08:01:00,259 INFO L78 Accepts]: Start accepts. Automaton has 7130 states and 10922 transitions. Word has length 137 [2018-10-27 08:01:00,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:01:00,260 INFO L481 AbstractCegarLoop]: Abstraction has 7130 states and 10922 transitions. [2018-10-27 08:01:00,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 08:01:00,260 INFO L276 IsEmpty]: Start isEmpty. Operand 7130 states and 10922 transitions. [2018-10-27 08:01:00,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-27 08:01:00,265 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:01:00,265 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] [2018-10-27 08:01:00,265 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:01:00,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:01:00,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1493608594, now seen corresponding path program 1 times [2018-10-27 08:01:00,266 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:01:00,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:01:00,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:01:00,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:01:00,267 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:01:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:01:00,526 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:01:00,527 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:01:00,527 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 08:01:00,527 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:01:00,528 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 08:01:00,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 08:01:00,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 08:01:00,529 INFO L87 Difference]: Start difference. First operand 7130 states and 10922 transitions. Second operand 6 states. [2018-10-27 08:01:12,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:01:12,794 INFO L93 Difference]: Finished difference Result 19764 states and 31243 transitions. [2018-10-27 08:01:12,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 08:01:12,795 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2018-10-27 08:01:12,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:01:12,860 INFO L225 Difference]: With dead ends: 19764 [2018-10-27 08:01:12,860 INFO L226 Difference]: Without dead ends: 12640 [2018-10-27 08:01:12,903 INFO L605 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 [2018-10-27 08:01:12,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12640 states. [2018-10-27 08:01:13,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12640 to 12438. [2018-10-27 08:01:13,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12438 states. [2018-10-27 08:01:13,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12438 states to 12438 states and 18018 transitions. [2018-10-27 08:01:13,234 INFO L78 Accepts]: Start accepts. Automaton has 12438 states and 18018 transitions. Word has length 174 [2018-10-27 08:01:13,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:01:13,235 INFO L481 AbstractCegarLoop]: Abstraction has 12438 states and 18018 transitions. [2018-10-27 08:01:13,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 08:01:13,235 INFO L276 IsEmpty]: Start isEmpty. Operand 12438 states and 18018 transitions. [2018-10-27 08:01:13,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-10-27 08:01:13,242 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:01:13,242 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] [2018-10-27 08:01:13,242 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:01:13,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:01:13,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1047575411, now seen corresponding path program 1 times [2018-10-27 08:01:13,243 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:01:13,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:01:13,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:01:13,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:01:13,245 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:01:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:01:13,673 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:01:13,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:01:13,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 08:01:13,674 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:01:13,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 08:01:13,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 08:01:13,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-27 08:01:13,675 INFO L87 Difference]: Start difference. First operand 12438 states and 18018 transitions. Second operand 6 states. [2018-10-27 08:01:32,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:01:32,860 INFO L93 Difference]: Finished difference Result 42947 states and 69051 transitions. [2018-10-27 08:01:32,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-27 08:01:32,863 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 196 [2018-10-27 08:01:32,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:01:33,025 INFO L225 Difference]: With dead ends: 42947 [2018-10-27 08:01:33,026 INFO L226 Difference]: Without dead ends: 30515 [2018-10-27 08:01:33,110 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-27 08:01:33,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30515 states. [2018-10-27 08:01:33,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30515 to 30275. [2018-10-27 08:01:33,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30275 states. [2018-10-27 08:01:34,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30275 states to 30275 states and 43648 transitions. [2018-10-27 08:01:34,472 INFO L78 Accepts]: Start accepts. Automaton has 30275 states and 43648 transitions. Word has length 196 [2018-10-27 08:01:34,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:01:34,472 INFO L481 AbstractCegarLoop]: Abstraction has 30275 states and 43648 transitions. [2018-10-27 08:01:34,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 08:01:34,472 INFO L276 IsEmpty]: Start isEmpty. Operand 30275 states and 43648 transitions. [2018-10-27 08:01:34,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-27 08:01:34,480 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:01:34,481 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] [2018-10-27 08:01:34,481 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:01:34,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:01:34,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1056237497, now seen corresponding path program 1 times [2018-10-27 08:01:34,483 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:01:34,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:01:34,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:01:34,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:01:34,484 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:01:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:01:34,826 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 08:01:35,297 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:01:35,297 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:01:35,297 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 08:01:35,298 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:01:35,298 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 08:01:35,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 08:01:35,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 08:01:35,299 INFO L87 Difference]: Start difference. First operand 30275 states and 43648 transitions. Second operand 6 states. [2018-10-27 08:01:46,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:01:46,315 INFO L93 Difference]: Finished difference Result 73780 states and 115017 transitions. [2018-10-27 08:01:46,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 08:01:46,322 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 219 [2018-10-27 08:01:46,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:01:46,507 INFO L225 Difference]: With dead ends: 73780 [2018-10-27 08:01:46,507 INFO L226 Difference]: Without dead ends: 43511 [2018-10-27 08:01:46,605 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 08:01:46,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43511 states. [2018-10-27 08:01:47,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43511 to 43196. [2018-10-27 08:01:47,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43196 states. [2018-10-27 08:01:47,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43196 states to 43196 states and 60903 transitions. [2018-10-27 08:01:47,588 INFO L78 Accepts]: Start accepts. Automaton has 43196 states and 60903 transitions. Word has length 219 [2018-10-27 08:01:47,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:01:47,589 INFO L481 AbstractCegarLoop]: Abstraction has 43196 states and 60903 transitions. [2018-10-27 08:01:47,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 08:01:47,589 INFO L276 IsEmpty]: Start isEmpty. Operand 43196 states and 60903 transitions. [2018-10-27 08:01:47,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-10-27 08:01:47,604 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:01:47,605 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] [2018-10-27 08:01:47,605 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:01:47,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:01:47,605 INFO L82 PathProgramCache]: Analyzing trace with hash 342183432, now seen corresponding path program 1 times [2018-10-27 08:01:47,606 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:01:47,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:01:47,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:01:47,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:01:47,615 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:01:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:01:47,982 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 62 proven. 94 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 08:01:47,982 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:01:47,983 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:01:47,985 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 244 with the following transitions: [2018-10-27 08:01:47,988 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] [2018-10-27 08:01:48,066 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:01:48,067 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:01:48,759 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 08:01:48,761 INFO L272 AbstractInterpreter]: Visited 111 different actions 111 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-27 08:01:48,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:01:48,796 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 08:01:49,389 INFO L227 lantSequenceWeakener]: Weakened 234 states. On average, predicates are now at 71.08% of their original sizes. [2018-10-27 08:01:49,389 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 08:01:49,633 INFO L415 sIntCurrentIteration]: We unified 242 AI predicates to 242 [2018-10-27 08:01:49,633 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 08:01:49,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 08:01:49,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-10-27 08:01:49,634 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:01:49,635 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 08:01:49,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 08:01:49,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 08:01:49,636 INFO L87 Difference]: Start difference. First operand 43196 states and 60903 transitions. Second operand 6 states. Received shutdown request... [2018-10-27 08:03:57,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 08:03:57,332 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 08:03:57,339 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 08:03:57,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 08:03:57 BoogieIcfgContainer [2018-10-27 08:03:57,339 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 08:03:57,340 INFO L168 Benchmark]: Toolchain (without parser) took 236269.31 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -756.1 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-10-27 08:03:57,342 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 08:03:57,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2482.46 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-10-27 08:03:57,343 INFO L168 Benchmark]: Boogie Procedure Inliner took 622.20 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 826.3 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 73.0 MB. Max. memory is 7.1 GB. [2018-10-27 08:03:57,344 INFO L168 Benchmark]: Boogie Preprocessor took 336.04 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: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 7.1 GB. [2018-10-27 08:03:57,345 INFO L168 Benchmark]: RCFGBuilder took 11535.84 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 192.9 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 15.0 MB). Peak memory consumption was 669.1 MB. Max. memory is 7.1 GB. [2018-10-27 08:03:57,346 INFO L168 Benchmark]: TraceAbstraction took 221286.28 ms. Allocated memory was 2.6 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 34.6 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-10-27 08:03:57,352 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2482.46 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 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 622.20 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 826.3 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 73.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 336.04 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: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11535.84 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 192.9 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 15.0 MB). Peak memory consumption was 669.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 221286.28 ms. Allocated memory was 2.6 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 34.6 MB). Peak memory consumption was 1.7 GB. 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 (43196states) and FLOYD_HOARE automaton (currently 6 states, 6 states before enhancement),while ReachableStatesComputation was computing reachable states (38036 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 221.1s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 213.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3356 SDtfs, 23837 SDslu, 3229 SDs, 0 SdLazy, 34947 SolverSat, 9220 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 178.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 299 GetRequests, 253 SyntacticMatches, 5 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43196occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.8s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9978733163470859 AbsIntWeakeningRatio, 0.1115702479338843 AbsIntAvgWeakeningVarsNumRemoved, 16.380165289256198 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 995 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s 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