java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label51_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 12:14:11,242 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 12:14:11,245 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 12:14:11,260 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 12:14:11,261 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 12:14:11,262 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 12:14:11,263 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 12:14:11,265 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 12:14:11,267 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 12:14:11,268 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 12:14:11,269 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 12:14:11,269 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 12:14:11,270 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 12:14:11,271 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 12:14:11,272 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 12:14:11,273 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 12:14:11,274 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 12:14:11,276 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 12:14:11,278 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 12:14:11,279 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 12:14:11,280 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 12:14:11,281 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 12:14:11,284 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 12:14:11,284 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 12:14:11,285 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 12:14:11,286 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 12:14:11,286 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 12:14:11,287 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 12:14:11,288 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 12:14:11,289 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 12:14:11,289 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 12:14:11,290 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 12:14:11,290 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 12:14:11,291 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 12:14:11,292 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 12:14:11,292 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 12:14:11,293 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 [2018-07-24 12:14:11,318 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 12:14:11,321 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 12:14:11,322 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 12:14:11,322 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 12:14:11,322 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 12:14:11,323 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 12:14:11,323 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 12:14:11,323 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 12:14:11,324 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 12:14:11,324 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 12:14:11,324 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 12:14:11,325 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 12:14:11,325 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 12:14:11,325 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 12:14:11,326 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 12:14:11,327 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 12:14:11,327 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 12:14:11,327 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 12:14:11,327 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 12:14:11,328 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 12:14:11,329 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 12:14:11,329 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 12:14:11,329 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 12:14:11,329 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 12:14:11,330 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 12:14:11,330 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 12:14:11,330 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 12:14:11,330 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 12:14:11,331 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 12:14:11,331 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 12:14:11,331 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 12:14:11,331 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 12:14:11,331 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 12:14:11,392 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 12:14:11,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 12:14:11,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 12:14:11,416 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 12:14:11,416 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 12:14:11,417 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label51_false-unreach-call.c [2018-07-24 12:14:11,751 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b43d0e4c/a4ada96ebb164bbda5f07ff520743c9c/FLAG70d58bcd9 [2018-07-24 12:14:12,115 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 12:14:12,116 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label51_false-unreach-call.c [2018-07-24 12:14:12,141 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b43d0e4c/a4ada96ebb164bbda5f07ff520743c9c/FLAG70d58bcd9 [2018-07-24 12:14:12,161 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b43d0e4c/a4ada96ebb164bbda5f07ff520743c9c [2018-07-24 12:14:12,174 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 12:14:12,175 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 12:14:12,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 12:14:12,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 12:14:12,188 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 12:14:12,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 12:14:12" (1/1) ... [2018-07-24 12:14:12,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aa504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:14:12, skipping insertion in model container [2018-07-24 12:14:12,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 12:14:12" (1/1) ... [2018-07-24 12:14:12,496 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 12:14:13,173 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 12:14:13,193 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 12:14:13,525 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 12:14:13,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:14:13 WrapperNode [2018-07-24 12:14:13,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 12:14:13,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 12:14:13,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 12:14:13,672 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 12:14:13,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:14:13" (1/1) ... [2018-07-24 12:14:13,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:14:13" (1/1) ... [2018-07-24 12:14:13,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 12:14:13,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 12:14:13,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 12:14:13,970 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 12:14:14,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:14:13" (1/1) ... [2018-07-24 12:14:14,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:14:13" (1/1) ... [2018-07-24 12:14:14,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:14:13" (1/1) ... [2018-07-24 12:14:14,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:14:13" (1/1) ... [2018-07-24 12:14:14,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:14:13" (1/1) ... [2018-07-24 12:14:14,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:14:13" (1/1) ... [2018-07-24 12:14:14,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:14:13" (1/1) ... [2018-07-24 12:14:14,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 12:14:14,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 12:14:14,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 12:14:14,661 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 12:14:14,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:14:13" (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 [2018-07-24 12:14:14,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 12:14:14,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 12:14:14,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 12:14:14,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 12:14:14,738 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 12:14:14,738 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 12:14:14,738 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-24 12:14:14,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-24 12:14:14,739 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-24 12:14:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-24 12:14:20,904 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 12:14:20,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 12:14:20 BoogieIcfgContainer [2018-07-24 12:14:20,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 12:14:20,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 12:14:20,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 12:14:20,910 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 12:14:20,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 12:14:12" (1/3) ... [2018-07-24 12:14:20,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1841e008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 12:14:20, skipping insertion in model container [2018-07-24 12:14:20,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:14:13" (2/3) ... [2018-07-24 12:14:20,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1841e008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 12:14:20, skipping insertion in model container [2018-07-24 12:14:20,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 12:14:20" (3/3) ... [2018-07-24 12:14:20,914 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label51_false-unreach-call.c [2018-07-24 12:14:20,924 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 12:14:20,933 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 12:14:20,989 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 12:14:20,990 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 12:14:20,991 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 12:14:20,991 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 12:14:20,991 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 12:14:20,991 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 12:14:20,991 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 12:14:20,991 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 12:14:20,992 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 12:14:21,022 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-07-24 12:14:21,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-07-24 12:14:21,030 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:14:21,033 INFO L353 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] [2018-07-24 12:14:21,033 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:14:21,040 INFO L82 PathProgramCache]: Analyzing trace with hash -385521647, now seen corresponding path program 1 times [2018-07-24 12:14:21,043 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:14:21,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:14:21,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:14:21,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:14:21,094 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:14:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:14:21,461 WARN L169 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 12:14:21,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:14:21,517 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:14:21,517 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 12:14:21,517 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:14:21,522 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 12:14:21,534 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 12:14:21,535 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 12:14:21,537 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 3 states. [2018-07-24 12:14:26,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:14:26,533 INFO L93 Difference]: Finished difference Result 1192 states and 2147 transitions. [2018-07-24 12:14:26,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 12:14:26,535 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-07-24 12:14:26,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:14:26,565 INFO L225 Difference]: With dead ends: 1192 [2018-07-24 12:14:26,565 INFO L226 Difference]: Without dead ends: 752 [2018-07-24 12:14:26,573 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 12:14:26,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2018-07-24 12:14:26,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 752. [2018-07-24 12:14:26,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 752 states. [2018-07-24 12:14:26,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1322 transitions. [2018-07-24 12:14:26,709 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1322 transitions. Word has length 23 [2018-07-24 12:14:26,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:14:26,710 INFO L471 AbstractCegarLoop]: Abstraction has 752 states and 1322 transitions. [2018-07-24 12:14:26,710 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 12:14:26,710 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1322 transitions. [2018-07-24 12:14:26,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-07-24 12:14:26,717 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:14:26,717 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-24 12:14:26,717 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:14:26,718 INFO L82 PathProgramCache]: Analyzing trace with hash 431143572, now seen corresponding path program 1 times [2018-07-24 12:14:26,718 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:14:26,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:14:26,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:14:26,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:14:26,720 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:14:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:14:27,100 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:14:27,100 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:14:27,100 INFO L191 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 [2018-07-24 12:14:27,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:14:27,215 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:14:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:14:27,328 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:14:28,373 WARN L169 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 15 [2018-07-24 12:14:28,407 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:14:28,408 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:14:28,552 WARN L169 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 15 [2018-07-24 12:14:29,479 WARN L169 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2018-07-24 12:14:29,875 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:14:29,911 INFO L309 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-07-24 12:14:29,911 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [7] total 12 [2018-07-24 12:14:29,911 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:14:29,912 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 12:14:29,913 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 12:14:29,913 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-07-24 12:14:29,913 INFO L87 Difference]: Start difference. First operand 752 states and 1322 transitions. Second operand 5 states. [2018-07-24 12:14:30,159 WARN L169 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-07-24 12:14:48,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:14:48,883 INFO L93 Difference]: Finished difference Result 2474 states and 4412 transitions. [2018-07-24 12:14:48,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 12:14:48,884 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2018-07-24 12:14:48,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:14:48,895 INFO L225 Difference]: With dead ends: 2474 [2018-07-24 12:14:48,896 INFO L226 Difference]: Without dead ends: 1728 [2018-07-24 12:14:48,901 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 205 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-07-24 12:14:48,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1728 states. [2018-07-24 12:14:48,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1728 to 1713. [2018-07-24 12:14:48,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1713 states. [2018-07-24 12:14:48,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 2784 transitions. [2018-07-24 12:14:48,973 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 2784 transitions. Word has length 104 [2018-07-24 12:14:48,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:14:48,974 INFO L471 AbstractCegarLoop]: Abstraction has 1713 states and 2784 transitions. [2018-07-24 12:14:48,974 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 12:14:48,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2784 transitions. [2018-07-24 12:14:48,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-07-24 12:14:48,979 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:14:48,979 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-24 12:14:48,979 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:14:48,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1637418909, now seen corresponding path program 1 times [2018-07-24 12:14:48,980 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:14:48,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:14:48,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:14:48,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:14:48,982 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:14:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:14:49,281 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:14:49,281 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:14:49,282 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 12:14:49,282 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:14:49,283 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 12:14:49,283 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 12:14:49,283 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-24 12:14:49,283 INFO L87 Difference]: Start difference. First operand 1713 states and 2784 transitions. Second operand 6 states. [2018-07-24 12:15:02,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:15:02,363 INFO L93 Difference]: Finished difference Result 4454 states and 7649 transitions. [2018-07-24 12:15:02,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-24 12:15:02,365 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 140 [2018-07-24 12:15:02,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:15:02,387 INFO L225 Difference]: With dead ends: 4454 [2018-07-24 12:15:02,387 INFO L226 Difference]: Without dead ends: 3058 [2018-07-24 12:15:02,393 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-07-24 12:15:02,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3058 states. [2018-07-24 12:15:02,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3058 to 2938. [2018-07-24 12:15:02,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2938 states. [2018-07-24 12:15:02,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2938 states to 2938 states and 4358 transitions. [2018-07-24 12:15:02,500 INFO L78 Accepts]: Start accepts. Automaton has 2938 states and 4358 transitions. Word has length 140 [2018-07-24 12:15:02,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:15:02,500 INFO L471 AbstractCegarLoop]: Abstraction has 2938 states and 4358 transitions. [2018-07-24 12:15:02,500 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 12:15:02,501 INFO L276 IsEmpty]: Start isEmpty. Operand 2938 states and 4358 transitions. [2018-07-24 12:15:02,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-07-24 12:15:02,511 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:15:02,511 INFO L353 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 12:15:02,511 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:15:02,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1077151742, now seen corresponding path program 1 times [2018-07-24 12:15:02,512 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:15:02,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:15:02,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:15:02,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:15:02,513 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:15:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:15:02,896 WARN L169 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 12:15:03,271 WARN L169 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2018-07-24 12:15:03,536 WARN L169 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2018-07-24 12:15:03,718 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 15 proven. 91 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-07-24 12:15:03,718 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:15:03,718 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 12:15:03,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:15:03,734 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:15:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:15:03,828 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:15:04,280 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 87 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:15:04,280 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:15:04,764 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 37 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:15:04,784 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:15:04,785 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 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 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 12:15:04,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:15:04,802 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:15:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:15:04,975 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:15:05,560 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 37 proven. 26 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-07-24 12:15:05,561 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:15:06,092 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 37 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:15:06,094 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 12:15:06,095 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9, 8, 9] total 29 [2018-07-24 12:15:06,095 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 12:15:06,096 INFO L450 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-07-24 12:15:06,097 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-07-24 12:15:06,098 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2018-07-24 12:15:06,098 INFO L87 Difference]: Start difference. First operand 2938 states and 4358 transitions. Second operand 19 states. [2018-07-24 12:15:15,606 WARN L169 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2018-07-24 12:15:20,404 WARN L169 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2018-07-24 12:15:21,509 WARN L169 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2018-07-24 12:15:22,194 WARN L169 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2018-07-24 12:15:25,421 WARN L169 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2018-07-24 12:15:26,266 WARN L169 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2018-07-24 12:15:26,721 WARN L169 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2018-07-24 12:15:51,860 WARN L169 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-07-24 12:15:56,159 WARN L169 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-07-24 12:15:59,165 WARN L169 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2018-07-24 12:16:02,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:16:02,570 INFO L93 Difference]: Finished difference Result 24755 states and 43322 transitions. [2018-07-24 12:16:02,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2018-07-24 12:16:02,570 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 200 [2018-07-24 12:16:02,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:16:02,807 INFO L225 Difference]: With dead ends: 24755 [2018-07-24 12:16:02,807 INFO L226 Difference]: Without dead ends: 21158 [2018-07-24 12:16:02,943 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 949 GetRequests, 783 SyntacticMatches, 6 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10680 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=4151, Invalid=21931, Unknown=0, NotChecked=0, Total=26082 [2018-07-24 12:16:02,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21158 states. [2018-07-24 12:16:03,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21158 to 19010. [2018-07-24 12:16:03,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19010 states. [2018-07-24 12:16:03,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19010 states to 19010 states and 27202 transitions. [2018-07-24 12:16:03,757 INFO L78 Accepts]: Start accepts. Automaton has 19010 states and 27202 transitions. Word has length 200 [2018-07-24 12:16:03,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:16:03,757 INFO L471 AbstractCegarLoop]: Abstraction has 19010 states and 27202 transitions. [2018-07-24 12:16:03,758 INFO L472 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-07-24 12:16:03,758 INFO L276 IsEmpty]: Start isEmpty. Operand 19010 states and 27202 transitions. [2018-07-24 12:16:03,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2018-07-24 12:16:03,787 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:16:03,787 INFO L353 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 12:16:03,788 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:16:03,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1717574774, now seen corresponding path program 1 times [2018-07-24 12:16:03,788 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:16:03,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:16:03,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:16:03,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:16:03,789 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:16:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:16:04,625 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 232 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-07-24 12:16:04,626 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:16:04,626 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 12:16:04,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:16:04,646 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:16:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:16:05,179 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:16:05,577 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 232 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-07-24 12:16:05,578 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:16:05,853 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 232 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-07-24 12:16:05,875 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:16:05,875 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 6 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 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 12:16:05,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:16:05,904 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:16:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:16:06,322 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:16:06,435 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 232 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-07-24 12:16:06,436 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:16:06,762 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 232 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-07-24 12:16:06,764 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 12:16:06,765 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 11 [2018-07-24 12:16:06,765 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 12:16:06,767 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-24 12:16:06,767 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-24 12:16:06,768 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-07-24 12:16:06,768 INFO L87 Difference]: Start difference. First operand 19010 states and 27202 transitions. Second operand 9 states. [2018-07-24 12:16:10,774 WARN L169 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 7 [2018-07-24 12:16:19,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:16:19,186 INFO L93 Difference]: Finished difference Result 41265 states and 70039 transitions. [2018-07-24 12:16:19,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-07-24 12:16:19,186 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 493 [2018-07-24 12:16:19,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:16:19,417 INFO L225 Difference]: With dead ends: 41265 [2018-07-24 12:16:19,417 INFO L226 Difference]: Without dead ends: 22572 [2018-07-24 12:16:19,641 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 2002 GetRequests, 1978 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2018-07-24 12:16:19,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22572 states. [2018-07-24 12:16:20,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22572 to 21601. [2018-07-24 12:16:20,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21601 states. [2018-07-24 12:16:21,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21601 states to 21601 states and 31084 transitions. [2018-07-24 12:16:21,022 INFO L78 Accepts]: Start accepts. Automaton has 21601 states and 31084 transitions. Word has length 493 [2018-07-24 12:16:21,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:16:21,025 INFO L471 AbstractCegarLoop]: Abstraction has 21601 states and 31084 transitions. [2018-07-24 12:16:21,025 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-24 12:16:21,025 INFO L276 IsEmpty]: Start isEmpty. Operand 21601 states and 31084 transitions. [2018-07-24 12:16:21,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 513 [2018-07-24 12:16:21,070 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:16:21,070 INFO L353 BasicCegarLoop]: trace histogram [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, 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] [2018-07-24 12:16:21,070 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:16:21,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1230912114, now seen corresponding path program 1 times [2018-07-24 12:16:21,071 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:16:21,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:16:21,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:16:21,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:16:21,072 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:16:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:16:21,987 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 253 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-07-24 12:16:21,987 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:16:21,987 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 12:16:21,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:16:21,995 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:16:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:16:22,188 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:16:22,808 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 253 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-07-24 12:16:22,808 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:16:23,137 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 253 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-07-24 12:16:23,160 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:16:23,161 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 8 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 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 12:16:23,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:16:23,179 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:16:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:16:23,612 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:16:40,008 WARN L169 SmtUtils]: Spent 15.61 s on a formula simplification. DAG size of input: 59 DAG size of output: 45 [2018-07-24 12:16:40,742 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 236 proven. 111 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-07-24 12:16:40,742 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:16:41,220 WARN L169 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2018-07-24 12:16:42,018 WARN L169 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-07-24 12:16:42,023 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:16:42,140 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 18 [2018-07-24 12:17:44,487 WARN L169 SmtUtils]: Spent 1.00 m on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2018-07-24 12:17:44,491 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,498 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,504 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,510 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,516 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,522 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,528 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,533 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,539 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,544 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,549 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,557 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,562 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,567 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,572 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,577 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,582 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,587 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,592 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,596 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,601 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,606 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,611 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,616 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,621 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,626 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,631 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,636 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,640 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,645 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,650 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,654 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,659 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,664 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,669 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,673 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,678 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,684 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,690 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,695 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,700 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,704 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,709 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,714 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,719 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,724 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,728 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,734 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,739 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,743 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,748 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,753 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,759 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,765 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,770 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,774 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,779 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,785 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,789 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,796 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,800 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,805 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,809 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,814 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,818 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,822 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,827 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,831 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,836 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,840 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,845 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,850 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,855 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,859 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,864 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,868 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,873 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,877 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,881 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,886 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,890 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,894 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,899 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,903 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,910 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,914 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,922 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,927 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,932 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,937 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,941 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,946 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,950 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,954 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,958 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,963 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,967 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,971 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,975 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,981 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,986 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,991 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:44,995 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,000 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,004 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,009 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,013 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,018 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,024 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,029 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,033 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,038 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,042 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,048 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,052 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,056 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,061 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,066 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,071 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,078 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,083 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,089 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,095 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,099 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,103 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,108 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,113 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,117 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,122 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,126 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,131 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,136 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,141 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,145 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,150 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,154 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,159 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,163 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,168 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,172 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,177 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,182 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,186 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,190 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,195 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,199 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,204 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,209 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,214 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,218 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,222 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,227 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,232 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,236 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,240 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,244 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,249 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,254 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,258 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,263 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,267 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,271 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,276 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,280 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,284 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,288 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,293 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,296 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,301 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,305 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,310 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,314 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,318 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,322 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,327 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,331 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,336 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,341 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,345 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,350 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,354 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,359 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,364 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,368 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,373 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,377 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,382 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,386 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,391 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,396 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,400 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,405 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,409 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,414 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,418 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,423 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,428 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,432 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,437 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,441 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,446 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,451 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,455 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,460 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,465 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,469 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,474 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,478 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,483 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,487 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,492 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,496 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,500 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,505 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,509 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,514 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,518 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,523 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,527 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,532 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,537 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,541 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,546 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,550 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,555 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,560 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,564 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,569 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,573 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,578 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,582 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,587 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,591 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,596 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,601 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,605 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,610 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,614 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,619 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,623 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,628 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,632 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,637 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,642 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,646 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,651 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,655 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,660 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,664 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,669 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,673 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,678 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,683 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,687 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,692 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,697 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,701 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,706 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,711 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,715 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,720 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,724 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,729 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,733 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,738 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,742 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:45,747 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 12:17:52,275 WARN L169 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 72 [2018-07-24 12:17:58,542 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 54 proven. 305 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 12:17:58,544 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 12:17:58,545 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 9, 10] total 25 [2018-07-24 12:17:58,545 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 12:17:58,547 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-24 12:17:58,547 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-24 12:17:58,548 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=514, Unknown=4, NotChecked=0, Total=600 [2018-07-24 12:17:58,548 INFO L87 Difference]: Start difference. First operand 21601 states and 31084 transitions. Second operand 8 states. [2018-07-24 12:18:14,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:18:14,749 INFO L93 Difference]: Finished difference Result 76585 states and 154774 transitions. [2018-07-24 12:18:14,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-24 12:18:14,749 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 512 [2018-07-24 12:18:14,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:18:15,340 INFO L225 Difference]: With dead ends: 76585 [2018-07-24 12:18:15,341 INFO L226 Difference]: Without dead ends: 47858 [2018-07-24 12:18:15,858 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 2058 GetRequests, 2029 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 89.3s TimeCoverageRelationStatistics Valid=107, Invalid=645, Unknown=4, NotChecked=0, Total=756 [2018-07-24 12:18:15,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47858 states. [2018-07-24 12:18:17,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47858 to 45401. [2018-07-24 12:18:17,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45401 states. [2018-07-24 12:18:18,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45401 states to 45401 states and 66770 transitions. [2018-07-24 12:18:18,236 INFO L78 Accepts]: Start accepts. Automaton has 45401 states and 66770 transitions. Word has length 512 [2018-07-24 12:18:18,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:18:18,237 INFO L471 AbstractCegarLoop]: Abstraction has 45401 states and 66770 transitions. [2018-07-24 12:18:18,237 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-24 12:18:18,237 INFO L276 IsEmpty]: Start isEmpty. Operand 45401 states and 66770 transitions. [2018-07-24 12:18:18,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2018-07-24 12:18:18,264 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:18:18,265 INFO L353 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 12:18:18,265 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:18:18,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1352217671, now seen corresponding path program 1 times [2018-07-24 12:18:18,265 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:18:18,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:18:18,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:18:18,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:18:18,267 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:18:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-07-24 12:18:18,600 WARN L177 SmtUtils]: Removed 1 from assertion stack [2018-07-24 12:18:18,601 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-24 12:18:18,605 WARN L202 ceAbstractionStarter]: Timeout [2018-07-24 12:18:18,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 12:18:18 BoogieIcfgContainer [2018-07-24 12:18:18,606 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 12:18:18,608 INFO L168 Benchmark]: Toolchain (without parser) took 246432.08 ms. Allocated memory was 1.5 GB in the beginning and 3.7 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 131.6 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-07-24 12:18:18,609 INFO L168 Benchmark]: CDTParser took 0.25 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. [2018-07-24 12:18:18,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1493.67 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. [2018-07-24 12:18:18,611 INFO L168 Benchmark]: Boogie Procedure Inliner took 296.97 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-07-24 12:18:18,612 INFO L168 Benchmark]: Boogie Preprocessor took 690.88 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 866.1 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. [2018-07-24 12:18:18,613 INFO L168 Benchmark]: RCFGBuilder took 6245.32 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.9 GB in the end (delta: 336.3 MB). Peak memory consumption was 336.3 MB. Max. memory is 7.1 GB. [2018-07-24 12:18:18,614 INFO L168 Benchmark]: TraceAbstraction took 237699.08 ms. Allocated memory was 2.4 GB in the beginning and 3.7 GB in the end (delta: 1.3 GB). Free memory was 1.9 GB in the beginning and 1.3 GB in the end (delta: 651.7 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-07-24 12:18:18,622 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 1493.67 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 296.97 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 690.88 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 866.1 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6245.32 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.9 GB in the end (delta: 336.3 MB). Peak memory consumption was 336.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 237699.08 ms. Allocated memory was 2.4 GB in the beginning and 3.7 GB in the end (delta: 1.3 GB). Free memory was 1.9 GB in the beginning and 1.3 GB in the end (delta: 651.7 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 55]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 55). Cancelled while BasicCegarLoop was analyzing trace of length 521 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 3. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 237.6s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 124.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1117 SDtfs, 34935 SDslu, 2412 SDs, 0 SdLazy, 32682 SolverSat, 18962 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 95.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5243 GetRequests, 5000 SyntacticMatches, 14 SemanticMatches, 229 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11026 ImplicationChecksByTransitivity, 103.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45401occurred in iteration=6, 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: 4.8s AutomataMinimizationTime, 6 MinimizatonAttempts, 5711 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 104.7s InterpolantComputationTime, 3986 NumberOfCodeBlocks, 3986 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 6480 ConstructedInterpolants, 285 QuantifiedInterpolants, 34411218 SizeOfPredicates, 20 NumberOfNonLiveVariables, 3901 ConjunctsInSsa, 97 ConjunctsInUnsatCore, 20 InterpolantComputations, 4 PerfectInterpolantSequences, 3266/4009 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/Problem15_label51_false-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_12-18-18-646.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem15_label51_false-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_12-18-18-646.csv Completed graceful shutdown