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-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label59_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 08:55:35,961 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 08:55:35,963 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 08:55:35,976 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 08:55:35,976 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 08:55:35,977 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 08:55:35,979 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 08:55:35,980 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 08:55:35,982 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 08:55:35,983 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 08:55:35,984 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 08:55:35,984 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 08:55:35,985 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 08:55:35,986 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 08:55:35,987 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 08:55:35,988 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 08:55:35,989 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 08:55:35,990 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 08:55:35,992 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 08:55:35,994 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 08:55:35,995 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 08:55:35,996 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 08:55:35,998 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 08:55:35,998 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 08:55:35,999 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 08:55:36,000 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 08:55:36,001 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 08:55:36,002 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 08:55:36,002 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 08:55:36,003 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 08:55:36,004 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 08:55:36,004 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 08:55:36,005 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 08:55:36,005 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 08:55:36,006 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 08:55:36,006 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 08:55:36,007 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 08:55:36,022 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 08:55:36,022 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 08:55:36,023 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 08:55:36,023 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 08:55:36,024 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 08:55:36,024 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 08:55:36,024 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 08:55:36,024 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 08:55:36,024 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 08:55:36,025 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 08:55:36,025 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 08:55:36,025 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 08:55:36,025 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 08:55:36,025 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 08:55:36,026 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 08:55:36,026 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 08:55:36,026 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 08:55:36,027 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 08:55:36,027 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 08:55:36,027 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 08:55:36,027 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 08:55:36,027 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 08:55:36,028 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 08:55:36,028 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 08:55:36,028 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 08:55:36,028 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 08:55:36,028 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 08:55:36,028 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 08:55:36,029 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 08:55:36,029 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 08:55:36,029 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 08:55:36,029 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 08:55:36,029 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 08:55:36,030 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 08:55:36,031 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 08:55:36,031 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 08:55:36,076 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 08:55:36,089 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 08:55:36,093 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 08:55:36,094 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 08:55:36,095 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 08:55:36,095 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label59_true-unreach-call.c [2018-11-07 08:55:36,165 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d39ffb64/30f8f0e99d954c21aa6bbf2bd6581acb/FLAG99bc47dd1 [2018-11-07 08:55:37,017 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 08:55:37,018 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label59_true-unreach-call.c [2018-11-07 08:55:37,061 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d39ffb64/30f8f0e99d954c21aa6bbf2bd6581acb/FLAG99bc47dd1 [2018-11-07 08:55:37,081 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d39ffb64/30f8f0e99d954c21aa6bbf2bd6581acb [2018-11-07 08:55:37,093 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 08:55:37,095 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 08:55:37,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 08:55:37,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 08:55:37,101 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 08:55:37,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:55:37" (1/1) ... [2018-11-07 08:55:37,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1342862e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:37, skipping insertion in model container [2018-11-07 08:55:37,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:55:37" (1/1) ... [2018-11-07 08:55:37,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 08:55:37,281 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 08:55:38,725 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 08:55:38,730 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 08:55:39,638 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 08:55:39,675 INFO L193 MainTranslator]: Completed translation [2018-11-07 08:55:39,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:39 WrapperNode [2018-11-07 08:55:39,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 08:55:39,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 08:55:39,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 08:55:39,678 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 08:55:39,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:39" (1/1) ... [2018-11-07 08:55:40,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:39" (1/1) ... [2018-11-07 08:55:40,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 08:55:40,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 08:55:40,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 08:55:40,087 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 08:55:40,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:39" (1/1) ... [2018-11-07 08:55:40,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:39" (1/1) ... [2018-11-07 08:55:40,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:39" (1/1) ... [2018-11-07 08:55:40,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:39" (1/1) ... [2018-11-07 08:55:40,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:39" (1/1) ... [2018-11-07 08:55:40,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:39" (1/1) ... [2018-11-07 08:55:40,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:39" (1/1) ... [2018-11-07 08:55:40,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 08:55:40,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 08:55:40,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 08:55:40,428 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 08:55:40,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 08:55:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 08:55:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 08:55:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 08:55:40,496 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-07 08:55:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-07 08:55:40,496 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-07 08:55:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-07 08:55:40,496 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 08:55:40,497 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 08:55:40,497 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 08:55:40,497 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 08:55:40,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 08:55:40,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 08:55:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 08:55:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 08:55:51,099 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 08:55:51,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:55:51 BoogieIcfgContainer [2018-11-07 08:55:51,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 08:55:51,101 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 08:55:51,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 08:55:51,104 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 08:55:51,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:55:37" (1/3) ... [2018-11-07 08:55:51,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f7e90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:55:51, skipping insertion in model container [2018-11-07 08:55:51,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:39" (2/3) ... [2018-11-07 08:55:51,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f7e90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:55:51, skipping insertion in model container [2018-11-07 08:55:51,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:55:51" (3/3) ... [2018-11-07 08:55:51,108 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label59_true-unreach-call.c [2018-11-07 08:55:51,118 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 08:55:51,129 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 08:55:51,147 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 08:55:51,198 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 08:55:51,198 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 08:55:51,198 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 08:55:51,198 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 08:55:51,198 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 08:55:51,198 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 08:55:51,199 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 08:55:51,199 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 08:55:51,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-11-07 08:55:51,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-07 08:55:51,250 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:55:51,251 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] [2018-11-07 08:55:51,253 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:55:51,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:55:51,260 INFO L82 PathProgramCache]: Analyzing trace with hash -760463861, now seen corresponding path program 1 times [2018-11-07 08:55:51,263 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:55:51,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:55:51,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:55:51,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:55:51,317 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:55:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:55:51,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:55:51,865 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 08:55:51,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 08:55:51,866 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:55:51,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 08:55:51,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 08:55:51,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 08:55:51,892 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 4 states. [2018-11-07 08:56:04,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:56:04,610 INFO L93 Difference]: Finished difference Result 4065 states and 7606 transitions. [2018-11-07 08:56:04,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 08:56:04,619 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2018-11-07 08:56:04,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:56:04,675 INFO L225 Difference]: With dead ends: 4065 [2018-11-07 08:56:04,675 INFO L226 Difference]: Without dead ends: 2939 [2018-11-07 08:56:04,694 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 08:56:04,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2939 states. [2018-11-07 08:56:04,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2939 to 1972. [2018-11-07 08:56:04,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1972 states. [2018-11-07 08:56:04,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1972 states and 3594 transitions. [2018-11-07 08:56:04,907 INFO L78 Accepts]: Start accepts. Automaton has 1972 states and 3594 transitions. Word has length 53 [2018-11-07 08:56:04,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:56:04,907 INFO L480 AbstractCegarLoop]: Abstraction has 1972 states and 3594 transitions. [2018-11-07 08:56:04,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 08:56:04,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 3594 transitions. [2018-11-07 08:56:04,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-07 08:56:04,921 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:56:04,921 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] [2018-11-07 08:56:04,922 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:56:04,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:56:04,922 INFO L82 PathProgramCache]: Analyzing trace with hash 9264363, now seen corresponding path program 1 times [2018-11-07 08:56:04,922 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:56:04,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:56:04,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:56:04,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:56:04,926 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:56:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:56:05,388 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:56:05,389 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 08:56:05,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 08:56:05,389 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:56:05,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 08:56:05,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 08:56:05,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 08:56:05,392 INFO L87 Difference]: Start difference. First operand 1972 states and 3594 transitions. Second operand 6 states. [2018-11-07 08:56:21,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:56:21,143 INFO L93 Difference]: Finished difference Result 7229 states and 13602 transitions. [2018-11-07 08:56:21,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 08:56:21,143 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 126 [2018-11-07 08:56:21,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:56:21,181 INFO L225 Difference]: With dead ends: 7229 [2018-11-07 08:56:21,181 INFO L226 Difference]: Without dead ends: 5263 [2018-11-07 08:56:21,193 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 08:56:21,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5263 states. [2018-11-07 08:56:21,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5263 to 5234. [2018-11-07 08:56:21,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5234 states. [2018-11-07 08:56:21,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5234 states to 5234 states and 8445 transitions. [2018-11-07 08:56:21,357 INFO L78 Accepts]: Start accepts. Automaton has 5234 states and 8445 transitions. Word has length 126 [2018-11-07 08:56:21,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:56:21,358 INFO L480 AbstractCegarLoop]: Abstraction has 5234 states and 8445 transitions. [2018-11-07 08:56:21,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 08:56:21,358 INFO L276 IsEmpty]: Start isEmpty. Operand 5234 states and 8445 transitions. [2018-11-07 08:56:21,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-07 08:56:21,367 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:56:21,371 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] [2018-11-07 08:56:21,371 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:56:21,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:56:21,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1015447532, now seen corresponding path program 1 times [2018-11-07 08:56:21,372 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:56:21,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:56:21,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:56:21,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:56:21,373 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:56:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:56:21,794 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:56:21,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 08:56:21,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 08:56:21,795 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:56:21,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 08:56:21,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 08:56:21,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 08:56:21,797 INFO L87 Difference]: Start difference. First operand 5234 states and 8445 transitions. Second operand 5 states. [2018-11-07 08:56:32,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:56:32,355 INFO L93 Difference]: Finished difference Result 15737 states and 26179 transitions. [2018-11-07 08:56:32,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 08:56:32,358 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2018-11-07 08:56:32,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:56:32,546 INFO L225 Difference]: With dead ends: 15737 [2018-11-07 08:56:32,546 INFO L226 Difference]: Without dead ends: 10509 [2018-11-07 08:56:32,564 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 08:56:32,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10509 states. [2018-11-07 08:56:32,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10509 to 10304. [2018-11-07 08:56:32,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10304 states. [2018-11-07 08:56:32,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10304 states to 10304 states and 15523 transitions. [2018-11-07 08:56:32,873 INFO L78 Accepts]: Start accepts. Automaton has 10304 states and 15523 transitions. Word has length 152 [2018-11-07 08:56:32,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:56:32,873 INFO L480 AbstractCegarLoop]: Abstraction has 10304 states and 15523 transitions. [2018-11-07 08:56:32,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 08:56:32,874 INFO L276 IsEmpty]: Start isEmpty. Operand 10304 states and 15523 transitions. [2018-11-07 08:56:32,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-07 08:56:32,878 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:56:32,878 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] [2018-11-07 08:56:32,879 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:56:32,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:56:32,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1469910122, now seen corresponding path program 1 times [2018-11-07 08:56:32,879 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:56:32,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:56:32,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:56:32,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:56:32,882 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:56:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:56:33,194 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:56:33,194 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 08:56:33,195 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 08:56:33,195 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:56:33,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 08:56:33,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 08:56:33,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 08:56:33,196 INFO L87 Difference]: Start difference. First operand 10304 states and 15523 transitions. Second operand 5 states. [2018-11-07 08:56:48,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:56:48,259 INFO L93 Difference]: Finished difference Result 32096 states and 50254 transitions. [2018-11-07 08:56:48,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 08:56:48,261 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2018-11-07 08:56:48,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:56:48,370 INFO L225 Difference]: With dead ends: 32096 [2018-11-07 08:56:48,370 INFO L226 Difference]: Without dead ends: 21798 [2018-11-07 08:56:48,420 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 08:56:48,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21798 states. [2018-11-07 08:56:48,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21798 to 21580. [2018-11-07 08:56:48,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21580 states. [2018-11-07 08:56:49,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21580 states to 21580 states and 31838 transitions. [2018-11-07 08:56:49,004 INFO L78 Accepts]: Start accepts. Automaton has 21580 states and 31838 transitions. Word has length 159 [2018-11-07 08:56:49,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:56:49,005 INFO L480 AbstractCegarLoop]: Abstraction has 21580 states and 31838 transitions. [2018-11-07 08:56:49,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 08:56:49,005 INFO L276 IsEmpty]: Start isEmpty. Operand 21580 states and 31838 transitions. [2018-11-07 08:56:49,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-07 08:56:49,012 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:56:49,014 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] [2018-11-07 08:56:49,014 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:56:49,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:56:49,015 INFO L82 PathProgramCache]: Analyzing trace with hash 581276394, now seen corresponding path program 1 times [2018-11-07 08:56:49,015 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:56:49,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:56:49,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:56:49,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:56:49,016 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:56:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:56:49,216 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:56:49,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 08:56:49,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 08:56:49,217 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:56:49,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 08:56:49,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 08:56:49,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 08:56:49,219 INFO L87 Difference]: Start difference. First operand 21580 states and 31838 transitions. Second operand 3 states. [2018-11-07 08:56:55,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:56:55,035 INFO L93 Difference]: Finished difference Result 43156 states and 63836 transitions. [2018-11-07 08:56:55,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 08:56:55,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2018-11-07 08:56:55,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:56:55,127 INFO L225 Difference]: With dead ends: 43156 [2018-11-07 08:56:55,128 INFO L226 Difference]: Without dead ends: 21582 [2018-11-07 08:56:55,186 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 08:56:55,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21582 states. [2018-11-07 08:56:55,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21582 to 21580. [2018-11-07 08:56:55,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21580 states. [2018-11-07 08:56:55,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21580 states to 21580 states and 29362 transitions. [2018-11-07 08:56:55,686 INFO L78 Accepts]: Start accepts. Automaton has 21580 states and 29362 transitions. Word has length 169 [2018-11-07 08:56:55,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:56:55,687 INFO L480 AbstractCegarLoop]: Abstraction has 21580 states and 29362 transitions. [2018-11-07 08:56:55,687 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 08:56:55,687 INFO L276 IsEmpty]: Start isEmpty. Operand 21580 states and 29362 transitions. [2018-11-07 08:56:55,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-07 08:56:55,692 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:56:55,692 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] [2018-11-07 08:56:55,692 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:56:55,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:56:55,693 INFO L82 PathProgramCache]: Analyzing trace with hash -936970546, now seen corresponding path program 1 times [2018-11-07 08:56:55,693 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:56:55,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:56:55,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:56:55,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:56:55,695 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:56:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:56:55,937 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:56:55,937 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 08:56:55,937 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 08:56:55,937 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:56:55,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 08:56:55,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 08:56:55,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 08:56:55,939 INFO L87 Difference]: Start difference. First operand 21580 states and 29362 transitions. Second operand 4 states. [2018-11-07 08:57:04,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:57:04,751 INFO L93 Difference]: Finished difference Result 63874 states and 92426 transitions. [2018-11-07 08:57:04,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 08:57:04,760 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 174 [2018-11-07 08:57:04,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:57:04,909 INFO L225 Difference]: With dead ends: 63874 [2018-11-07 08:57:04,909 INFO L226 Difference]: Without dead ends: 42300 [2018-11-07 08:57:04,984 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 08:57:05,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42300 states. [2018-11-07 08:57:05,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42300 to 42288. [2018-11-07 08:57:05,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42288 states. [2018-11-07 08:57:05,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42288 states to 42288 states and 58159 transitions. [2018-11-07 08:57:05,854 INFO L78 Accepts]: Start accepts. Automaton has 42288 states and 58159 transitions. Word has length 174 [2018-11-07 08:57:05,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:57:05,857 INFO L480 AbstractCegarLoop]: Abstraction has 42288 states and 58159 transitions. [2018-11-07 08:57:05,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 08:57:05,857 INFO L276 IsEmpty]: Start isEmpty. Operand 42288 states and 58159 transitions. [2018-11-07 08:57:05,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-07 08:57:05,876 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:57:05,877 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, 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] [2018-11-07 08:57:05,877 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:57:05,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:57:05,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1840466883, now seen corresponding path program 1 times [2018-11-07 08:57:05,878 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:57:05,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:57:05,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:57:05,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:57:05,880 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:57:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:57:06,163 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 08:57:06,285 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 92 proven. 73 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 08:57:06,286 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:57:06,286 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 08:57:06,287 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 252 with the following transitions: [2018-11-07 08:57:06,289 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], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2951], [2953], [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], [3159], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3266], [3270], [3274], [3278], [3282], [3286], [3290], [3294], [3305], [3309], [3313], [3317], [3321], [3325], [3329], [3333], [3344], [3347], [3352], [3354], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-11-07 08:57:06,345 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 08:57:06,346 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 08:57:11,744 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 08:57:11,746 INFO L272 AbstractInterpreter]: Visited 123 different actions 123 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-11-07 08:57:11,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:57:11,791 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 08:57:15,644 INFO L227 lantSequenceWeakener]: Weakened 240 states. On average, predicates are now at 71.34% of their original sizes. [2018-11-07 08:57:15,645 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 08:57:15,900 INFO L415 sIntCurrentIteration]: We unified 250 AI predicates to 250 [2018-11-07 08:57:15,900 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 08:57:15,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 08:57:15,902 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-07 08:57:15,902 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:57:15,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 08:57:15,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 08:57:15,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 08:57:15,903 INFO L87 Difference]: Start difference. First operand 42288 states and 58159 transitions. Second operand 6 states. Received shutdown request... [2018-11-07 08:59:30,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-07 08:59:30,577 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 08:59:30,583 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 08:59:30,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:59:30 BoogieIcfgContainer [2018-11-07 08:59:30,583 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 08:59:30,584 INFO L168 Benchmark]: Toolchain (without parser) took 233490.21 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 1.2 GB in the end (delta: 206.2 MB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2018-11-07 08:59:30,585 INFO L168 Benchmark]: CDTParser took 1.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 08:59:30,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2580.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 243.1 MB). Peak memory consumption was 243.1 MB. Max. memory is 7.1 GB. [2018-11-07 08:59:30,586 INFO L168 Benchmark]: Boogie Procedure Inliner took 409.55 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 788.5 MB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 67.7 MB. Max. memory is 7.1 GB. [2018-11-07 08:59:30,587 INFO L168 Benchmark]: Boogie Preprocessor took 340.74 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 36.5 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. [2018-11-07 08:59:30,588 INFO L168 Benchmark]: RCFGBuilder took 10671.70 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 161.5 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 41.3 MB). Peak memory consumption was 662.1 MB. Max. memory is 7.1 GB. [2018-11-07 08:59:30,589 INFO L168 Benchmark]: TraceAbstraction took 219482.42 ms. Allocated memory was 2.5 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 1.2 GB in the end (delta: 972.9 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2018-11-07 08:59:30,595 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2580.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 243.1 MB). Peak memory consumption was 243.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 409.55 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 788.5 MB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 67.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 340.74 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 36.5 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10671.70 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 161.5 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 41.3 MB). Peak memory consumption was 662.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 219482.42 ms. Allocated memory was 2.5 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 1.2 GB in the end (delta: 972.9 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 150]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 150). Cancelled while BasicCegarLoop was constructing difference of abstraction (42288states) and FLOYD_HOARE automaton (currently 6 states, 6 states before enhancement),while ReachableStatesComputation was computing reachable states (28592 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 219.3s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 204.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5528 SDtfs, 18490 SDslu, 2759 SDs, 0 SdLazy, 33561 SolverSat, 8199 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 176.5s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 294 GetRequests, 264 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42288occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.5s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9981080368906459 AbsIntWeakeningRatio, 0.112 AbsIntAvgWeakeningVarsNumRemoved, 16.324 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 1433 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1084 NumberOfCodeBlocks, 1084 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1077 ConstructedInterpolants, 0 QuantifiedInterpolants, 486629 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 327/400 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown