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 --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem18_label15_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-14 18:11:02,973 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-14 18:11:02,975 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-14 18:11:02,989 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-14 18:11:02,990 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-14 18:11:02,991 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-14 18:11:02,992 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-14 18:11:02,994 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-14 18:11:02,995 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-14 18:11:02,996 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-14 18:11:02,997 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-14 18:11:02,998 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-14 18:11:02,999 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-14 18:11:03,000 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-14 18:11:03,002 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-14 18:11:03,003 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-14 18:11:03,004 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-14 18:11:03,005 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-14 18:11:03,007 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-14 18:11:03,009 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-14 18:11:03,010 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-14 18:11:03,011 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-14 18:11:03,014 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-14 18:11:03,014 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-14 18:11:03,014 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-14 18:11:03,018 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-14 18:11:03,019 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-14 18:11:03,023 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-14 18:11:03,024 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-14 18:11:03,028 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-14 18:11:03,029 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-14 18:11:03,029 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-14 18:11:03,030 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-14 18:11:03,030 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-14 18:11:03,031 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-14 18:11:03,032 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-14 18:11:03,032 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-14 18:11:03,047 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-14 18:11:03,047 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-14 18:11:03,048 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-14 18:11:03,048 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-14 18:11:03,048 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-14 18:11:03,049 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-14 18:11:03,049 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-14 18:11:03,049 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-14 18:11:03,049 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-14 18:11:03,049 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-14 18:11:03,050 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-14 18:11:03,050 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-14 18:11:03,050 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-14 18:11:03,051 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-14 18:11:03,051 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-14 18:11:03,051 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-14 18:11:03,051 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-14 18:11:03,051 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-14 18:11:03,052 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-14 18:11:03,052 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-14 18:11:03,052 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-14 18:11:03,052 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-14 18:11:03,052 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-14 18:11:03,053 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 18:11:03,053 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-14 18:11:03,053 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-14 18:11:03,053 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-14 18:11:03,054 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-14 18:11:03,054 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-14 18:11:03,054 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-14 18:11:03,054 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-14 18:11:03,054 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-14 18:11:03,054 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-14 18:11:03,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-14 18:11:03,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-14 18:11:03,118 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-14 18:11:03,120 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-14 18:11:03,120 INFO L276 PluginConnector]: CDTParser initialized [2018-09-14 18:11:03,121 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label15_true-unreach-call.c [2018-09-14 18:11:03,464 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb7857f3c/93d29ef0ec61438f934ee06f96a7232a/FLAGe2ad51e34 [2018-09-14 18:11:03,906 INFO L277 CDTParser]: Found 1 translation units. [2018-09-14 18:11:03,907 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label15_true-unreach-call.c [2018-09-14 18:11:03,928 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb7857f3c/93d29ef0ec61438f934ee06f96a7232a/FLAGe2ad51e34 [2018-09-14 18:11:03,944 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb7857f3c/93d29ef0ec61438f934ee06f96a7232a [2018-09-14 18:11:03,955 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-14 18:11:03,958 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-14 18:11:03,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-14 18:11:03,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-14 18:11:03,966 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-14 18:11:03,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:11:03" (1/1) ... [2018-09-14 18:11:03,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@612a6518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:11:03, skipping insertion in model container [2018-09-14 18:11:03,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:11:03" (1/1) ... [2018-09-14 18:11:03,982 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-14 18:11:05,192 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:11:05,211 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-14 18:11:05,718 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:11:05,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:11:05 WrapperNode [2018-09-14 18:11:05,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-14 18:11:05,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-14 18:11:05,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-14 18:11:05,874 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-14 18:11:05,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:11:05" (1/1) ... [2018-09-14 18:11:05,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:11:05" (1/1) ... [2018-09-14 18:11:06,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-14 18:11:06,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-14 18:11:06,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-14 18:11:06,055 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-14 18:11:06,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:11:05" (1/1) ... [2018-09-14 18:11:06,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:11:05" (1/1) ... [2018-09-14 18:11:06,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:11:05" (1/1) ... [2018-09-14 18:11:06,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:11:05" (1/1) ... [2018-09-14 18:11:06,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:11:05" (1/1) ... [2018-09-14 18:11:06,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:11:05" (1/1) ... [2018-09-14 18:11:06,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:11:05" (1/1) ... [2018-09-14 18:11:06,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-14 18:11:06,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-14 18:11:06,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-14 18:11:06,717 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-14 18:11:06,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:11:05" (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 [2018-09-14 18:11:06,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-14 18:11:06,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-14 18:11:06,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-14 18:11:06,788 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-14 18:11:06,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-14 18:11:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-14 18:11:06,789 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-14 18:11:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-14 18:11:06,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-14 18:11:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-14 18:11:06,790 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-14 18:11:06,790 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-14 18:11:15,055 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-14 18:11:15,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:11:15 BoogieIcfgContainer [2018-09-14 18:11:15,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-14 18:11:15,057 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-14 18:11:15,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-14 18:11:15,061 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-14 18:11:15,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 06:11:03" (1/3) ... [2018-09-14 18:11:15,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53345822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 06:11:15, skipping insertion in model container [2018-09-14 18:11:15,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:11:05" (2/3) ... [2018-09-14 18:11:15,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53345822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 06:11:15, skipping insertion in model container [2018-09-14 18:11:15,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:11:15" (3/3) ... [2018-09-14 18:11:15,064 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem18_label15_true-unreach-call.c [2018-09-14 18:11:15,073 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-14 18:11:15,083 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-14 18:11:15,153 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-14 18:11:15,154 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-14 18:11:15,154 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-14 18:11:15,154 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-14 18:11:15,154 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-14 18:11:15,154 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-14 18:11:15,155 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-14 18:11:15,155 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-14 18:11:15,155 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-14 18:11:15,209 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states. [2018-09-14 18:11:15,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-14 18:11:15,222 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:11:15,223 INFO L376 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] [2018-09-14 18:11:15,224 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:11:15,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1389400652, now seen corresponding path program 1 times [2018-09-14 18:11:15,231 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:11:15,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:11:15,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:11:15,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:11:15,291 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:11:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:11:15,726 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-09-14 18:11:15,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:11:15,740 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:11:15,740 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-14 18:11:15,740 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:11:15,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-14 18:11:15,764 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-14 18:11:15,765 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-14 18:11:15,768 INFO L87 Difference]: Start difference. First operand 775 states. Second operand 4 states. [2018-09-14 18:11:27,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:11:27,156 INFO L93 Difference]: Finished difference Result 2974 states and 5747 transitions. [2018-09-14 18:11:27,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-14 18:11:27,158 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2018-09-14 18:11:27,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:11:27,198 INFO L225 Difference]: With dead ends: 2974 [2018-09-14 18:11:27,199 INFO L226 Difference]: Without dead ends: 2193 [2018-09-14 18:11:27,210 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 [2018-09-14 18:11:27,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2193 states. [2018-09-14 18:11:27,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2193 to 2193. [2018-09-14 18:11:27,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2193 states. [2018-09-14 18:11:27,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 2193 states and 3677 transitions. [2018-09-14 18:11:27,390 INFO L78 Accepts]: Start accepts. Automaton has 2193 states and 3677 transitions. Word has length 42 [2018-09-14 18:11:27,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:11:27,391 INFO L480 AbstractCegarLoop]: Abstraction has 2193 states and 3677 transitions. [2018-09-14 18:11:27,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-14 18:11:27,393 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 3677 transitions. [2018-09-14 18:11:27,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-09-14 18:11:27,404 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:11:27,404 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:11:27,405 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:11:27,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1023255202, now seen corresponding path program 1 times [2018-09-14 18:11:27,405 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:11:27,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:11:27,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:11:27,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:11:27,407 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:11:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:11:27,729 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:11:27,729 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:11:27,730 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-14 18:11:27,730 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:11:27,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 18:11:27,733 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 18:11:27,733 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-14 18:11:27,733 INFO L87 Difference]: Start difference. First operand 2193 states and 3677 transitions. Second operand 5 states. [2018-09-14 18:11:37,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:11:37,874 INFO L93 Difference]: Finished difference Result 6600 states and 11248 transitions. [2018-09-14 18:11:37,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 18:11:37,878 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2018-09-14 18:11:37,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:11:37,913 INFO L225 Difference]: With dead ends: 6600 [2018-09-14 18:11:37,913 INFO L226 Difference]: Without dead ends: 4413 [2018-09-14 18:11:37,922 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-14 18:11:37,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4413 states. [2018-09-14 18:11:38,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4413 to 4378. [2018-09-14 18:11:38,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4378 states. [2018-09-14 18:11:38,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4378 states to 4378 states and 6986 transitions. [2018-09-14 18:11:38,059 INFO L78 Accepts]: Start accepts. Automaton has 4378 states and 6986 transitions. Word has length 112 [2018-09-14 18:11:38,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:11:38,060 INFO L480 AbstractCegarLoop]: Abstraction has 4378 states and 6986 transitions. [2018-09-14 18:11:38,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 18:11:38,060 INFO L276 IsEmpty]: Start isEmpty. Operand 4378 states and 6986 transitions. [2018-09-14 18:11:38,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-09-14 18:11:38,066 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:11:38,066 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:11:38,067 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:11:38,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1458733739, now seen corresponding path program 1 times [2018-09-14 18:11:38,067 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:11:38,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:11:38,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:11:38,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:11:38,069 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:11:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:11:38,594 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:11:38,594 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:11:38,595 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:11:38,595 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:11:38,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:11:38,597 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:11:38,597 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:11:38,598 INFO L87 Difference]: Start difference. First operand 4378 states and 6986 transitions. Second operand 6 states. [2018-09-14 18:11:44,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:11:44,292 INFO L93 Difference]: Finished difference Result 11002 states and 17598 transitions. [2018-09-14 18:11:44,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 18:11:44,293 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-09-14 18:11:44,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:11:44,331 INFO L225 Difference]: With dead ends: 11002 [2018-09-14 18:11:44,331 INFO L226 Difference]: Without dead ends: 6630 [2018-09-14 18:11:44,346 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 18:11:44,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6630 states. [2018-09-14 18:11:44,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6630 to 6590. [2018-09-14 18:11:44,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6590 states. [2018-09-14 18:11:44,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6590 states to 6590 states and 9022 transitions. [2018-09-14 18:11:44,510 INFO L78 Accepts]: Start accepts. Automaton has 6590 states and 9022 transitions. Word has length 139 [2018-09-14 18:11:44,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:11:44,510 INFO L480 AbstractCegarLoop]: Abstraction has 6590 states and 9022 transitions. [2018-09-14 18:11:44,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:11:44,511 INFO L276 IsEmpty]: Start isEmpty. Operand 6590 states and 9022 transitions. [2018-09-14 18:11:44,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-09-14 18:11:44,515 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:11:44,516 INFO L376 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-14 18:11:44,516 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:11:44,516 INFO L82 PathProgramCache]: Analyzing trace with hash 2073244197, now seen corresponding path program 1 times [2018-09-14 18:11:44,517 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:11:44,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:11:44,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:11:44,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:11:44,518 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:11:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:11:44,765 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-09-14 18:11:44,765 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:11:44,765 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-14 18:11:44,766 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:11:44,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-14 18:11:44,767 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-14 18:11:44,767 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-14 18:11:44,767 INFO L87 Difference]: Start difference. First operand 6590 states and 9022 transitions. Second operand 4 states. [2018-09-14 18:11:52,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:11:52,567 INFO L93 Difference]: Finished difference Result 26034 states and 36953 transitions. [2018-09-14 18:11:52,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-14 18:11:52,577 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 219 [2018-09-14 18:11:52,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:11:52,666 INFO L225 Difference]: With dead ends: 26034 [2018-09-14 18:11:52,666 INFO L226 Difference]: Without dead ends: 19450 [2018-09-14 18:11:52,704 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 [2018-09-14 18:11:52,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19450 states. [2018-09-14 18:11:53,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19450 to 19450. [2018-09-14 18:11:53,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19450 states. [2018-09-14 18:11:53,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19450 states to 19450 states and 25958 transitions. [2018-09-14 18:11:53,177 INFO L78 Accepts]: Start accepts. Automaton has 19450 states and 25958 transitions. Word has length 219 [2018-09-14 18:11:53,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:11:53,178 INFO L480 AbstractCegarLoop]: Abstraction has 19450 states and 25958 transitions. [2018-09-14 18:11:53,178 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-14 18:11:53,178 INFO L276 IsEmpty]: Start isEmpty. Operand 19450 states and 25958 transitions. [2018-09-14 18:11:53,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-09-14 18:11:53,192 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:11:53,193 INFO L376 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-14 18:11:53,193 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:11:53,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1622044176, now seen corresponding path program 1 times [2018-09-14 18:11:53,194 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:11:53,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:11:53,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:11:53,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:11:53,195 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:11:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:11:53,713 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 175 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:11:53,713 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:11:53,713 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 18:11:53,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:11:53,731 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:11:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:11:53,839 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:11:54,294 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 175 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:11:54,294 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:11:55,078 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 175 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:11:55,115 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:11:55,115 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 18:11:55,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:11:55,148 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:11:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:11:55,336 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:11:55,929 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 175 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:11:55,929 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:11:56,449 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 175 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (3)] Exception during sending of exit command (exit): Broken pipe [2018-09-14 18:11:56,452 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 18:11:56,452 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 15 [2018-09-14 18:11:56,452 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 18:11:56,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-14 18:11:56,453 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-14 18:11:56,454 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2018-09-14 18:11:56,454 INFO L87 Difference]: Start difference. First operand 19450 states and 25958 transitions. Second operand 9 states. [2018-09-14 18:12:08,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:12:08,596 INFO L93 Difference]: Finished difference Result 62197 states and 86886 transitions. [2018-09-14 18:12:08,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-14 18:12:08,596 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 258 [2018-09-14 18:12:08,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:12:08,824 INFO L225 Difference]: With dead ends: 62197 [2018-09-14 18:12:08,825 INFO L226 Difference]: Without dead ends: 42753 [2018-09-14 18:12:08,950 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1047 GetRequests, 1025 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=107, Invalid=355, Unknown=0, NotChecked=0, Total=462 [2018-09-14 18:12:08,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42753 states. [2018-09-14 18:12:09,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42753 to 42528. [2018-09-14 18:12:09,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42528 states. [2018-09-14 18:12:10,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42528 states to 42528 states and 53158 transitions. [2018-09-14 18:12:10,071 INFO L78 Accepts]: Start accepts. Automaton has 42528 states and 53158 transitions. Word has length 258 [2018-09-14 18:12:10,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:12:10,072 INFO L480 AbstractCegarLoop]: Abstraction has 42528 states and 53158 transitions. [2018-09-14 18:12:10,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-14 18:12:10,072 INFO L276 IsEmpty]: Start isEmpty. Operand 42528 states and 53158 transitions. [2018-09-14 18:12:10,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2018-09-14 18:12:10,100 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:12:10,100 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:12:10,101 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:12:10,101 INFO L82 PathProgramCache]: Analyzing trace with hash 963061407, now seen corresponding path program 1 times [2018-09-14 18:12:10,101 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:12:10,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:12:10,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:12:10,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:12:10,103 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:12:10,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:12:10,761 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 205 proven. 96 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-09-14 18:12:10,762 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:12:10,762 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 18:12:10,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:12:10,775 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:12:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:12:10,885 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:12:11,376 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 370 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-14 18:12:11,377 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:12:12,722 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 205 proven. 96 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-09-14 18:12:12,753 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:12:12,754 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 18:12:12,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:12:12,782 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:12:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:12:13,001 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:12:13,650 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 370 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-14 18:12:13,650 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:12:13,944 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 205 proven. 96 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-09-14 18:12:13,946 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 18:12:13,946 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 16 [2018-09-14 18:12:13,947 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 18:12:13,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-14 18:12:13,949 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-14 18:12:13,949 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2018-09-14 18:12:13,949 INFO L87 Difference]: Start difference. First operand 42528 states and 53158 transitions. Second operand 9 states. [2018-09-14 18:12:30,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:12:30,736 INFO L93 Difference]: Finished difference Result 109708 states and 146042 transitions. [2018-09-14 18:12:30,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-14 18:12:30,740 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 371 [2018-09-14 18:12:30,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:12:31,017 INFO L225 Difference]: With dead ends: 109708 [2018-09-14 18:12:31,017 INFO L226 Difference]: Without dead ends: 67889 [2018-09-14 18:12:31,175 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1506 GetRequests, 1482 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=143, Invalid=457, Unknown=0, NotChecked=0, Total=600 [2018-09-14 18:12:31,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67889 states. [2018-09-14 18:12:32,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67889 to 67802. [2018-09-14 18:12:32,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67802 states. [2018-09-14 18:12:32,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67802 states to 67802 states and 86429 transitions. [2018-09-14 18:12:32,938 INFO L78 Accepts]: Start accepts. Automaton has 67802 states and 86429 transitions. Word has length 371 [2018-09-14 18:12:32,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:12:32,939 INFO L480 AbstractCegarLoop]: Abstraction has 67802 states and 86429 transitions. [2018-09-14 18:12:32,939 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-14 18:12:32,939 INFO L276 IsEmpty]: Start isEmpty. Operand 67802 states and 86429 transitions. [2018-09-14 18:12:32,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2018-09-14 18:12:32,974 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:12:32,975 INFO L376 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:12:32,975 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:12:32,975 INFO L82 PathProgramCache]: Analyzing trace with hash -2054155247, now seen corresponding path program 1 times [2018-09-14 18:12:32,975 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:12:32,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:12:32,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:12:32,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:12:32,977 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:12:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:12:33,613 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 222 proven. 144 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-09-14 18:12:33,613 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:12:33,614 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 18:12:33,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:12:33,631 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:12:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:12:33,749 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:12:34,226 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 484 proven. 2 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2018-09-14 18:12:34,226 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:12:34,520 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 222 proven. 144 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-09-14 18:12:34,543 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:12:34,543 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 18:12:34,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:12:34,565 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:12:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:12:34,799 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:12:35,125 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 484 proven. 2 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2018-09-14 18:12:35,125 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:12:35,363 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 222 proven. 144 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-09-14 18:12:35,365 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 18:12:35,365 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 11 [2018-09-14 18:12:35,365 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 18:12:35,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-14 18:12:35,366 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-14 18:12:35,366 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-09-14 18:12:35,366 INFO L87 Difference]: Start difference. First operand 67802 states and 86429 transitions. Second operand 9 states. [2018-09-14 18:12:50,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:12:50,455 INFO L93 Difference]: Finished difference Result 194157 states and 288738 transitions. [2018-09-14 18:12:50,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-14 18:12:50,455 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 435 [2018-09-14 18:12:50,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:12:51,608 INFO L225 Difference]: With dead ends: 194157 [2018-09-14 18:12:51,608 INFO L226 Difference]: Without dead ends: 122468 [2018-09-14 18:12:52,379 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1762 GetRequests, 1737 SyntacticMatches, 7 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2018-09-14 18:12:52,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122468 states. [2018-09-14 18:12:56,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122468 to 121978. [2018-09-14 18:12:56,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121978 states. [2018-09-14 18:12:56,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121978 states to 121978 states and 166515 transitions. [2018-09-14 18:12:56,775 INFO L78 Accepts]: Start accepts. Automaton has 121978 states and 166515 transitions. Word has length 435 [2018-09-14 18:12:56,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:12:56,776 INFO L480 AbstractCegarLoop]: Abstraction has 121978 states and 166515 transitions. [2018-09-14 18:12:56,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-14 18:12:56,776 INFO L276 IsEmpty]: Start isEmpty. Operand 121978 states and 166515 transitions. [2018-09-14 18:12:56,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2018-09-14 18:12:56,804 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:12:56,805 INFO L376 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:12:56,805 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:12:56,805 INFO L82 PathProgramCache]: Analyzing trace with hash -701336739, now seen corresponding path program 1 times [2018-09-14 18:12:56,805 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:12:56,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:12:56,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:12:56,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:12:56,807 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:12:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:12:57,525 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-14 18:12:58,181 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 246 proven. 194 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2018-09-14 18:12:58,181 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:12:58,181 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 18:12:58,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:12:58,190 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:12:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:12:58,303 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:12:58,511 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 583 proven. 2 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-09-14 18:12:58,511 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:12:58,743 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 333 proven. 90 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2018-09-14 18:12:58,764 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:12:58,765 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 18:12:58,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:12:58,780 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:12:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:12:59,023 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:13:00,262 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 583 proven. 2 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-09-14 18:13:00,262 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:13:00,480 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 333 proven. 90 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2018-09-14 18:13:00,482 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 18:13:00,483 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5, 5, 5] total 24 [2018-09-14 18:13:00,483 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 18:13:00,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-14 18:13:00,484 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-14 18:13:00,484 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=459, Unknown=0, NotChecked=0, Total=552 [2018-09-14 18:13:00,485 INFO L87 Difference]: Start difference. First operand 121978 states and 166515 transitions. Second operand 15 states. [2018-09-14 18:13:25,920 WARN L178 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 26 [2018-09-14 18:13:28,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:13:28,975 INFO L93 Difference]: Finished difference Result 269476 states and 393301 transitions. [2018-09-14 18:13:28,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-09-14 18:13:28,975 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 447 [2018-09-14 18:13:28,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:13:30,071 INFO L225 Difference]: With dead ends: 269476 [2018-09-14 18:13:30,071 INFO L226 Difference]: Without dead ends: 146573 [2018-09-14 18:13:32,187 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1860 GetRequests, 1800 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 983 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=647, Invalid=3135, Unknown=0, NotChecked=0, Total=3782 [2018-09-14 18:13:32,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146573 states. [2018-09-14 18:13:35,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146573 to 144664. [2018-09-14 18:13:35,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144664 states. [2018-09-14 18:13:36,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144664 states to 144664 states and 185572 transitions. [2018-09-14 18:13:36,548 INFO L78 Accepts]: Start accepts. Automaton has 144664 states and 185572 transitions. Word has length 447 [2018-09-14 18:13:36,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:13:36,549 INFO L480 AbstractCegarLoop]: Abstraction has 144664 states and 185572 transitions. [2018-09-14 18:13:36,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-14 18:13:36,549 INFO L276 IsEmpty]: Start isEmpty. Operand 144664 states and 185572 transitions. [2018-09-14 18:13:36,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2018-09-14 18:13:36,576 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:13:36,577 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:13:36,577 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:13:36,578 INFO L82 PathProgramCache]: Analyzing trace with hash -949258480, now seen corresponding path program 1 times [2018-09-14 18:13:36,578 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:13:36,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:13:36,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:13:36,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:13:36,579 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:13:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:13:36,998 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:13:37,630 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 74 proven. 233 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-09-14 18:13:37,630 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:13:37,630 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 18:13:37,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:13:37,641 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:13:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:13:37,787 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:13:43,723 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2018-09-14 18:13:43,724 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:13:44,240 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2018-09-14 18:13:44,261 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-14 18:13:44,261 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-09-14 18:13:44,262 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:13:44,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 18:13:44,262 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 18:13:44,263 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-09-14 18:13:44,263 INFO L87 Difference]: Start difference. First operand 144664 states and 185572 transitions. Second operand 3 states. [2018-09-14 18:13:51,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:13:51,039 INFO L93 Difference]: Finished difference Result 284069 states and 364327 transitions. [2018-09-14 18:13:51,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 18:13:51,040 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 550 [2018-09-14 18:13:51,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:13:51,835 INFO L225 Difference]: With dead ends: 284069 [2018-09-14 18:13:51,835 INFO L226 Difference]: Without dead ends: 143725 [2018-09-14 18:13:53,135 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1112 GetRequests, 1102 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-09-14 18:13:53,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143725 states. [2018-09-14 18:13:55,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143725 to 143722. [2018-09-14 18:13:55,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143722 states. [2018-09-14 18:13:56,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143722 states to 143722 states and 178658 transitions. [2018-09-14 18:13:56,517 INFO L78 Accepts]: Start accepts. Automaton has 143722 states and 178658 transitions. Word has length 550 [2018-09-14 18:13:56,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:13:56,518 INFO L480 AbstractCegarLoop]: Abstraction has 143722 states and 178658 transitions. [2018-09-14 18:13:56,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 18:13:56,518 INFO L276 IsEmpty]: Start isEmpty. Operand 143722 states and 178658 transitions. [2018-09-14 18:13:56,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2018-09-14 18:13:56,582 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:13:56,583 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-14 18:13:56,583 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:13:56,584 INFO L82 PathProgramCache]: Analyzing trace with hash 962402991, now seen corresponding path program 1 times [2018-09-14 18:13:56,584 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:13:56,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:13:56,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:13:56,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:13:56,585 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:13:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:13:57,796 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 74 proven. 386 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-09-14 18:13:57,797 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:13:57,797 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 18:13:57,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:13:57,806 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:13:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:13:57,981 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:13:58,687 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 428 proven. 33 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-09-14 18:13:58,688 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:13:59,549 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 459 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-09-14 18:13:59,571 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:13:59,571 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 18:13:59,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:13:59,587 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:13:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:13:59,976 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:14:00,204 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2018-09-14 18:14:00,205 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:14:00,451 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2018-09-14 18:14:00,453 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 3 imperfect interpolant sequences. [2018-09-14 18:14:00,454 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8, 6, 6] total 16 [2018-09-14 18:14:00,454 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:14:00,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 18:14:00,455 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 18:14:00,455 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2018-09-14 18:14:00,456 INFO L87 Difference]: Start difference. First operand 143722 states and 178658 transitions. Second operand 3 states. [2018-09-14 18:14:06,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:14:06,650 INFO L93 Difference]: Finished difference Result 281008 states and 347738 transitions. [2018-09-14 18:14:06,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 18:14:06,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 710 [2018-09-14 18:14:06,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:14:07,791 INFO L225 Difference]: With dead ends: 281008 [2018-09-14 18:14:07,791 INFO L226 Difference]: Without dead ends: 141606 [2018-09-14 18:14:08,300 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2851 GetRequests, 2833 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2018-09-14 18:14:08,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141606 states. [2018-09-14 18:14:10,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141606 to 140883. [2018-09-14 18:14:10,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140883 states. [2018-09-14 18:14:11,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140883 states to 140883 states and 163025 transitions. [2018-09-14 18:14:11,165 INFO L78 Accepts]: Start accepts. Automaton has 140883 states and 163025 transitions. Word has length 710 [2018-09-14 18:14:11,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:14:11,166 INFO L480 AbstractCegarLoop]: Abstraction has 140883 states and 163025 transitions. [2018-09-14 18:14:11,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 18:14:11,167 INFO L276 IsEmpty]: Start isEmpty. Operand 140883 states and 163025 transitions. [2018-09-14 18:14:11,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1600 [2018-09-14 18:14:11,784 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:14:11,785 INFO L376 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:14:11,785 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:14:11,786 INFO L82 PathProgramCache]: Analyzing trace with hash 36468895, now seen corresponding path program 1 times [2018-09-14 18:14:11,786 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:14:11,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:14:11,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:14:11,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:14:11,788 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:14:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:14:17,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1819 backedges. 793 proven. 1026 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:14:17,153 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:14:17,153 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 18:14:17,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:14:17,161 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:14:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:14:17,533 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:14:18,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1819 backedges. 1144 proven. 5 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2018-09-14 18:14:18,881 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:14:20,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1819 backedges. 1144 proven. 5 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2018-09-14 18:14:20,991 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:14:20,991 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 18:14:21,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:14:21,007 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:14:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:14:21,822 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:14:24,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1819 backedges. 1245 proven. 15 refuted. 0 times theorem prover too weak. 559 trivial. 0 not checked. [2018-09-14 18:14:24,368 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:14:27,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1819 backedges. 1250 proven. 10 refuted. 0 times theorem prover too weak. 559 trivial. 0 not checked. [2018-09-14 18:14:27,512 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 18:14:27,513 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 5, 5, 5, 5] total 23 [2018-09-14 18:14:27,513 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 18:14:27,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-09-14 18:14:27,515 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-09-14 18:14:27,516 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=413, Unknown=0, NotChecked=0, Total=506 [2018-09-14 18:14:27,516 INFO L87 Difference]: Start difference. First operand 140883 states and 163025 transitions. Second operand 21 states. Received shutdown request... [2018-09-14 18:14:39,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-09-14 18:14:39,455 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-14 18:14:39,461 WARN L206 ceAbstractionStarter]: Timeout [2018-09-14 18:14:39,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.09 06:14:39 BoogieIcfgContainer [2018-09-14 18:14:39,462 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-14 18:14:39,462 INFO L168 Benchmark]: Toolchain (without parser) took 215506.82 ms. Allocated memory was 1.5 GB in the beginning and 5.0 GB in the end (delta: 3.5 GB). Free memory was 1.4 GB in the beginning and 3.0 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-09-14 18:14:39,463 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. [2018-09-14 18:14:39,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1913.63 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: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. [2018-09-14 18:14:39,465 INFO L168 Benchmark]: Boogie Procedure Inliner took 180.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-14 18:14:39,466 INFO L168 Benchmark]: Boogie Preprocessor took 662.14 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 867.2 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 85.6 MB. Max. memory is 7.1 GB. [2018-09-14 18:14:39,466 INFO L168 Benchmark]: RCFGBuilder took 8339.90 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.8 GB in the end (delta: 492.4 MB). Peak memory consumption was 492.4 MB. Max. memory is 7.1 GB. [2018-09-14 18:14:39,467 INFO L168 Benchmark]: TraceAbstraction took 204404.28 ms. Allocated memory was 2.4 GB in the beginning and 5.0 GB in the end (delta: 2.6 GB). Free memory was 1.8 GB in the beginning and 3.0 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-09-14 18:14:39,473 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 1913.63 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: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 180.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 662.14 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 867.2 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 85.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8339.90 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.8 GB in the end (delta: 492.4 MB). Peak memory consumption was 492.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 204404.28 ms. Allocated memory was 2.4 GB in the beginning and 5.0 GB in the end (delta: 2.6 GB). Free memory was 1.8 GB in the beginning and 3.0 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 114). Cancelled while BasicCegarLoop was constructing difference of abstraction (140883states) and FLOYD_HOARE automaton (currently 34 states, 21 states before enhancement), while ReachableStatesComputation was computing reachable states (7298 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 775 locations, 1 error locations. TIMEOUT Result, 204.3s OverallTime, 11 OverallIterations, 5 TraceHistogramMax, 142.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3548 SDtfs, 50975 SDslu, 2697 SDs, 0 SdLazy, 83488 SolverSat, 16419 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 93.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16638 GetRequests, 16391 SyntacticMatches, 36 SemanticMatches, 211 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2226 ImplicationChecksByTransitivity, 12.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=144664occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 18.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 3512 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 32.0s InterpolantComputationTime, 13072 NumberOfCodeBlocks, 13072 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 21225 ConstructedInterpolants, 43 QuantifiedInterpolants, 61649621 SizeOfPredicates, 9 NumberOfNonLiveVariables, 11519 ConjunctsInSsa, 100 ConjunctsInUnsatCore, 37 InterpolantComputations, 8 PerfectInterpolantSequences, 20067/22898 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem18_label15_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-14_18-14-39-486.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem18_label15_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-14_18-14-39-486.csv Completed graceful shutdown