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/Problem04_label22_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 12:58:43,189 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 12:58:43,191 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 12:58:43,203 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 12:58:43,203 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 12:58:43,204 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 12:58:43,205 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 12:58:43,207 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 12:58:43,209 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 12:58:43,210 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 12:58:43,210 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 12:58:43,211 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 12:58:43,212 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 12:58:43,213 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 12:58:43,214 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 12:58:43,214 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 12:58:43,215 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 12:58:43,217 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 12:58:43,219 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 12:58:43,221 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 12:58:43,222 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 12:58:43,223 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 12:58:43,226 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 12:58:43,226 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 12:58:43,226 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 12:58:43,227 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 12:58:43,228 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 12:58:43,229 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 12:58:43,230 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 12:58:43,231 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 12:58:43,231 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 12:58:43,232 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 12:58:43,232 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 12:58:43,232 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 12:58:43,234 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 12:58:43,234 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 12:58:43,235 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 12:58:43,250 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 12:58:43,251 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 12:58:43,252 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 12:58:43,252 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 12:58:43,252 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 12:58:43,252 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 12:58:43,252 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 12:58:43,253 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 12:58:43,253 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 12:58:43,253 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 12:58:43,253 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 12:58:43,254 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 12:58:43,254 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 12:58:43,254 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 12:58:43,254 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 12:58:43,255 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 12:58:43,255 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 12:58:43,255 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 12:58:43,255 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 12:58:43,255 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 12:58:43,256 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 12:58:43,256 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 12:58:43,256 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 12:58:43,256 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 12:58:43,256 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 12:58:43,257 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 12:58:43,257 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 12:58:43,257 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 12:58:43,257 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 12:58:43,257 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 12:58:43,257 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 12:58:43,258 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 12:58:43,258 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 12:58:43,300 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 12:58:43,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 12:58:43,316 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 12:58:43,318 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 12:58:43,318 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 12:58:43,319 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label22_true-unreach-call.c [2018-07-24 12:58:43,677 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89c623d87/447d089c6e7b43d0855aeebfb68e49bf/FLAG00973508d [2018-07-24 12:58:44,149 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 12:58:44,152 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label22_true-unreach-call.c [2018-07-24 12:58:44,193 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89c623d87/447d089c6e7b43d0855aeebfb68e49bf/FLAG00973508d [2018-07-24 12:58:44,216 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89c623d87/447d089c6e7b43d0855aeebfb68e49bf [2018-07-24 12:58:44,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 12:58:44,233 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 12:58:44,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 12:58:44,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 12:58:44,247 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 12:58:44,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 12:58:44" (1/1) ... [2018-07-24 12:58:44,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@195b670f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:58:44, skipping insertion in model container [2018-07-24 12:58:44,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 12:58:44" (1/1) ... [2018-07-24 12:58:44,644 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 12:58:45,732 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 12:58:45,754 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 12:58:47,097 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 12:58:47,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:58:47 WrapperNode [2018-07-24 12:58:47,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 12:58:47,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 12:58:47,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 12:58:47,245 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 12:58:47,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:58:47" (1/1) ... [2018-07-24 12:58:47,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:58:47" (1/1) ... [2018-07-24 12:58:47,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 12:58:47,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 12:58:47,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 12:58:47,402 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 12:58:47,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:58:47" (1/1) ... [2018-07-24 12:58:47,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:58:47" (1/1) ... [2018-07-24 12:58:47,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:58:47" (1/1) ... [2018-07-24 12:58:47,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:58:47" (1/1) ... [2018-07-24 12:58:47,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:58:47" (1/1) ... [2018-07-24 12:58:48,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:58:47" (1/1) ... [2018-07-24 12:58:48,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:58:47" (1/1) ... [2018-07-24 12:58:48,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 12:58:48,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 12:58:48,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 12:58:48,080 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 12:58:48,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:58:47" (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 12:58:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 12:58:48,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 12:58:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-24 12:58:48,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-24 12:58:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output3 [2018-07-24 12:58:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output3 [2018-07-24 12:58:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 12:58:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 12:58:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4 [2018-07-24 12:58:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4 [2018-07-24 12:58:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 12:58:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 12:58:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-24 12:58:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-24 12:58:59,202 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 12:58:59,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 12:58:59 BoogieIcfgContainer [2018-07-24 12:58:59,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 12:58:59,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 12:58:59,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 12:58:59,207 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 12:58:59,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 12:58:44" (1/3) ... [2018-07-24 12:58:59,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e45c0b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 12:58:59, skipping insertion in model container [2018-07-24 12:58:59,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:58:47" (2/3) ... [2018-07-24 12:58:59,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e45c0b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 12:58:59, skipping insertion in model container [2018-07-24 12:58:59,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 12:58:59" (3/3) ... [2018-07-24 12:58:59,210 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem04_label22_true-unreach-call.c [2018-07-24 12:58:59,220 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 12:58:59,229 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 12:58:59,288 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 12:58:59,288 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 12:58:59,288 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 12:58:59,289 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 12:58:59,289 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 12:58:59,289 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 12:58:59,289 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 12:58:59,289 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 12:58:59,289 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 12:58:59,333 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states. [2018-07-24 12:58:59,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 827 [2018-07-24 12:58:59,393 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:58:59,395 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:58:59,395 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4Err0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:58:59,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1639713388, now seen corresponding path program 1 times [2018-07-24 12:58:59,404 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:58:59,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:58:59,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:58:59,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:58:59,457 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:58:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:59:00,948 WARN L169 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 12:59:01,968 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 12:59:01,970 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:59:01,971 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 12:59:01,971 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:59:01,979 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 12:59:01,993 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 12:59:01,994 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 12:59:01,996 INFO L87 Difference]: Start difference. First operand 907 states. Second operand 3 states. [2018-07-24 12:59:08,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:59:08,891 INFO L93 Difference]: Finished difference Result 2647 states and 5102 transitions. [2018-07-24 12:59:08,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 12:59:08,895 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 826 [2018-07-24 12:59:08,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:59:08,937 INFO L225 Difference]: With dead ends: 2647 [2018-07-24 12:59:08,937 INFO L226 Difference]: Without dead ends: 1738 [2018-07-24 12:59:08,946 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 12:59:08,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2018-07-24 12:59:09,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 1738. [2018-07-24 12:59:09,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1738 states. [2018-07-24 12:59:09,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1738 states and 3121 transitions. [2018-07-24 12:59:09,134 INFO L78 Accepts]: Start accepts. Automaton has 1738 states and 3121 transitions. Word has length 826 [2018-07-24 12:59:09,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:59:09,140 INFO L471 AbstractCegarLoop]: Abstraction has 1738 states and 3121 transitions. [2018-07-24 12:59:09,140 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 12:59:09,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 3121 transitions. [2018-07-24 12:59:09,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 886 [2018-07-24 12:59:09,174 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:59:09,175 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:09,177 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4Err0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:59:09,178 INFO L82 PathProgramCache]: Analyzing trace with hash -637253205, now seen corresponding path program 1 times [2018-07-24 12:59:09,178 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:59:09,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:59:09,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:59:09,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:59:09,180 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:59:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:59:09,578 WARN L169 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 12:59:10,347 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:59:10,347 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:59:10,347 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 12:59:10,348 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:59:10,350 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 12:59:10,351 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 12:59:10,351 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 12:59:10,351 INFO L87 Difference]: Start difference. First operand 1738 states and 3121 transitions. Second operand 6 states. [2018-07-24 12:59:21,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:59:21,747 INFO L93 Difference]: Finished difference Result 5353 states and 9715 transitions. [2018-07-24 12:59:21,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 12:59:21,749 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 885 [2018-07-24 12:59:21,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:59:21,780 INFO L225 Difference]: With dead ends: 5353 [2018-07-24 12:59:21,780 INFO L226 Difference]: Without dead ends: 3621 [2018-07-24 12:59:21,789 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-24 12:59:21,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3621 states. [2018-07-24 12:59:21,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3621 to 3589. [2018-07-24 12:59:21,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3589 states. [2018-07-24 12:59:21,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3589 states to 3589 states and 6080 transitions. [2018-07-24 12:59:21,944 INFO L78 Accepts]: Start accepts. Automaton has 3589 states and 6080 transitions. Word has length 885 [2018-07-24 12:59:21,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:59:21,945 INFO L471 AbstractCegarLoop]: Abstraction has 3589 states and 6080 transitions. [2018-07-24 12:59:21,945 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 12:59:21,946 INFO L276 IsEmpty]: Start isEmpty. Operand 3589 states and 6080 transitions. [2018-07-24 12:59:21,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 906 [2018-07-24 12:59:21,970 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:59:21,971 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:21,971 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4Err0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:59:21,973 INFO L82 PathProgramCache]: Analyzing trace with hash -463145597, now seen corresponding path program 1 times [2018-07-24 12:59:21,973 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:59:21,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:59:21,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:59:21,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:59:21,975 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:59:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:59:22,566 WARN L169 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 12:59:23,433 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:59:23,433 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:59:23,434 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 12:59:23,434 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:59:23,437 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 12:59:23,439 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 12:59:23,439 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 12:59:23,439 INFO L87 Difference]: Start difference. First operand 3589 states and 6080 transitions. Second operand 6 states. [2018-07-24 12:59:30,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:59:30,725 INFO L93 Difference]: Finished difference Result 9116 states and 15455 transitions. [2018-07-24 12:59:30,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 12:59:30,729 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 905 [2018-07-24 12:59:30,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:59:30,758 INFO L225 Difference]: With dead ends: 9116 [2018-07-24 12:59:30,759 INFO L226 Difference]: Without dead ends: 5533 [2018-07-24 12:59:30,769 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-24 12:59:30,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5533 states. [2018-07-24 12:59:30,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5533 to 5499. [2018-07-24 12:59:30,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5499 states. [2018-07-24 12:59:30,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5499 states to 5499 states and 8494 transitions. [2018-07-24 12:59:30,952 INFO L78 Accepts]: Start accepts. Automaton has 5499 states and 8494 transitions. Word has length 905 [2018-07-24 12:59:30,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:59:30,952 INFO L471 AbstractCegarLoop]: Abstraction has 5499 states and 8494 transitions. [2018-07-24 12:59:30,952 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 12:59:30,953 INFO L276 IsEmpty]: Start isEmpty. Operand 5499 states and 8494 transitions. [2018-07-24 12:59:30,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 926 [2018-07-24 12:59:30,981 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:59:30,982 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:30,982 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4Err0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:59:30,983 INFO L82 PathProgramCache]: Analyzing trace with hash -2071657408, now seen corresponding path program 1 times [2018-07-24 12:59:30,983 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:59:30,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:59:30,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:59:30,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:59:30,984 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:59:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:59:32,239 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:59:32,240 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:59:32,240 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 12:59:32,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:59:32,249 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:59:32,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:59:32,711 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:59:33,712 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:59:33,713 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:59:34,851 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:59:34,875 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:59:34,875 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 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 12:59:34,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:59:34,894 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:59:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:59:35,724 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:59:36,509 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-07-24 12:59:36,509 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:59:37,274 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-07-24 12:59:37,277 INFO L309 seRefinementStrategy]: Constructing automaton from 2 perfect and 3 imperfect interpolant sequences. [2018-07-24 12:59:37,278 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [6, 5, 5] total 17 [2018-07-24 12:59:37,279 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:59:37,280 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 12:59:37,280 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 12:59:37,280 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2018-07-24 12:59:37,281 INFO L87 Difference]: Start difference. First operand 5499 states and 8494 transitions. Second operand 5 states. [2018-07-24 12:59:44,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:59:44,960 INFO L93 Difference]: Finished difference Result 16464 states and 26307 transitions. [2018-07-24 12:59:44,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-24 12:59:44,967 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 925 [2018-07-24 12:59:44,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:59:45,017 INFO L225 Difference]: With dead ends: 16464 [2018-07-24 12:59:45,018 INFO L226 Difference]: Without dead ends: 10971 [2018-07-24 12:59:45,033 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 3705 GetRequests, 3688 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2018-07-24 12:59:45,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10971 states. [2018-07-24 12:59:45,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10971 to 10865. [2018-07-24 12:59:45,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10865 states. [2018-07-24 12:59:45,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10865 states to 10865 states and 15483 transitions. [2018-07-24 12:59:45,327 INFO L78 Accepts]: Start accepts. Automaton has 10865 states and 15483 transitions. Word has length 925 [2018-07-24 12:59:45,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:59:45,328 INFO L471 AbstractCegarLoop]: Abstraction has 10865 states and 15483 transitions. [2018-07-24 12:59:45,328 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 12:59:45,328 INFO L276 IsEmpty]: Start isEmpty. Operand 10865 states and 15483 transitions. [2018-07-24 12:59:45,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 974 [2018-07-24 12:59:45,373 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:59:45,374 INFO L353 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:45,374 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4Err0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:59:45,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1630203321, now seen corresponding path program 1 times [2018-07-24 12:59:45,375 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:59:45,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:59:45,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:59:45,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:59:45,379 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:59:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:59:46,431 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 150 proven. 58 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-07-24 12:59:46,431 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:59:46,432 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 12:59:46,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:59:46,441 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:59:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:59:46,859 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:59:47,688 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 136 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-07-24 12:59:47,689 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:59:48,226 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 150 proven. 58 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-07-24 12:59:48,249 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:59:48,250 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 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 12:59:48,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:59:48,267 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:59:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:59:49,222 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:59:50,567 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 136 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-07-24 12:59:50,567 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:59:51,176 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 150 proven. 58 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-07-24 12:59:51,178 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 12:59:51,179 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 16 [2018-07-24 12:59:51,180 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 12:59:51,182 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-24 12:59:51,182 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-24 12:59:51,182 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2018-07-24 12:59:51,182 INFO L87 Difference]: Start difference. First operand 10865 states and 15483 transitions. Second operand 9 states. [2018-07-24 13:00:14,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 13:00:14,278 INFO L93 Difference]: Finished difference Result 41212 states and 71676 transitions. [2018-07-24 13:00:14,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-07-24 13:00:14,278 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 973 [2018-07-24 13:00:14,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 13:00:14,443 INFO L225 Difference]: With dead ends: 41212 [2018-07-24 13:00:14,444 INFO L226 Difference]: Without dead ends: 30353 [2018-07-24 13:00:14,503 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 3986 GetRequests, 3926 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1056 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=698, Invalid=2962, Unknown=0, NotChecked=0, Total=3660 [2018-07-24 13:00:14,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30353 states. [2018-07-24 13:00:15,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30353 to 29480. [2018-07-24 13:00:15,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29480 states. [2018-07-24 13:00:15,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29480 states to 29480 states and 40152 transitions. [2018-07-24 13:00:15,766 INFO L78 Accepts]: Start accepts. Automaton has 29480 states and 40152 transitions. Word has length 973 [2018-07-24 13:00:15,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 13:00:15,767 INFO L471 AbstractCegarLoop]: Abstraction has 29480 states and 40152 transitions. [2018-07-24 13:00:15,767 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-24 13:00:15,767 INFO L276 IsEmpty]: Start isEmpty. Operand 29480 states and 40152 transitions. [2018-07-24 13:00:15,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1081 [2018-07-24 13:00:15,919 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 13:00:15,920 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:00:15,920 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4Err0AssertViolationERROR_FUNCTION]=== [2018-07-24 13:00:15,920 INFO L82 PathProgramCache]: Analyzing trace with hash -398594977, now seen corresponding path program 1 times [2018-07-24 13:00:15,921 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 13:00:15,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:00:15,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:00:15,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:00:15,922 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 13:00:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:00:17,092 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 297 proven. 48 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-07-24 13:00:17,093 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 13:00:17,093 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 13:00:17,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:00:17,118 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 13:00:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:00:17,541 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 13:00:18,450 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 343 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-07-24 13:00:18,450 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 13:00:18,955 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 297 proven. 48 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-07-24 13:00:18,977 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 13:00:18,977 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 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 13:00:18,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:00:18,993 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 13:00:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:00:20,006 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 13:00:20,765 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 343 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-07-24 13:00:20,766 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 13:00:21,316 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 297 proven. 48 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-07-24 13:00:21,319 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 13:00:21,321 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 11 [2018-07-24 13:00:21,321 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 13:00:21,323 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-24 13:00:21,323 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-24 13:00:21,323 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-07-24 13:00:21,324 INFO L87 Difference]: Start difference. First operand 29480 states and 40152 transitions. Second operand 9 states. [2018-07-24 13:00:33,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 13:00:33,590 INFO L93 Difference]: Finished difference Result 69807 states and 104965 transitions. [2018-07-24 13:00:33,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-07-24 13:00:33,591 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1080 [2018-07-24 13:00:33,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 13:00:33,767 INFO L225 Difference]: With dead ends: 69807 [2018-07-24 13:00:33,767 INFO L226 Difference]: Without dead ends: 40333 [2018-07-24 13:00:33,860 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 4340 GetRequests, 4318 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=110, Invalid=232, Unknown=0, NotChecked=0, Total=342 [2018-07-24 13:00:33,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40333 states. [2018-07-24 13:00:34,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40333 to 39581. [2018-07-24 13:00:34,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39581 states. [2018-07-24 13:00:34,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39581 states to 39581 states and 55194 transitions. [2018-07-24 13:00:34,944 INFO L78 Accepts]: Start accepts. Automaton has 39581 states and 55194 transitions. Word has length 1080 [2018-07-24 13:00:34,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 13:00:34,945 INFO L471 AbstractCegarLoop]: Abstraction has 39581 states and 55194 transitions. [2018-07-24 13:00:34,945 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-24 13:00:34,945 INFO L276 IsEmpty]: Start isEmpty. Operand 39581 states and 55194 transitions. [2018-07-24 13:00:35,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1101 [2018-07-24 13:00:35,097 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 13:00:35,098 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:00:35,098 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4Err0AssertViolationERROR_FUNCTION]=== [2018-07-24 13:00:35,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1241251529, now seen corresponding path program 1 times [2018-07-24 13:00:35,098 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 13:00:35,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:00:35,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:00:35,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:00:35,100 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 13:00:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:00:37,054 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 317 proven. 48 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-07-24 13:00:37,055 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 13:00:37,055 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 13:00:37,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:00:37,063 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 13:00:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:00:37,528 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 13:00:38,260 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 363 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-07-24 13:00:38,260 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 13:00:38,773 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 317 proven. 48 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-07-24 13:00:38,796 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 13:00:38,797 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 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 13:00:38,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:00:38,816 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 13:00:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:00:39,799 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 13:00:40,603 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 363 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-07-24 13:00:40,604 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 13:00:41,181 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 317 proven. 48 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-07-24 13:00:41,184 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 13:00:41,185 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 15 [2018-07-24 13:00:41,186 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 13:00:41,187 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-24 13:00:41,187 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-24 13:00:41,187 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2018-07-24 13:00:41,188 INFO L87 Difference]: Start difference. First operand 39581 states and 55194 transitions. Second operand 9 states. [2018-07-24 13:01:07,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 13:01:07,648 INFO L93 Difference]: Finished difference Result 151021 states and 242226 transitions. [2018-07-24 13:01:07,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-07-24 13:01:07,649 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1100 [2018-07-24 13:01:07,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 13:01:08,263 INFO L225 Difference]: With dead ends: 151021 [2018-07-24 13:01:08,264 INFO L226 Difference]: Without dead ends: 105576 [2018-07-24 13:01:08,489 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 4468 GetRequests, 4421 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=417, Invalid=1745, Unknown=0, NotChecked=0, Total=2162 [2018-07-24 13:01:08,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105576 states. [2018-07-24 13:01:11,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105576 to 103317. [2018-07-24 13:01:11,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103317 states. [2018-07-24 13:01:12,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103317 states to 103317 states and 134402 transitions. [2018-07-24 13:01:12,030 INFO L78 Accepts]: Start accepts. Automaton has 103317 states and 134402 transitions. Word has length 1100 [2018-07-24 13:01:12,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 13:01:12,031 INFO L471 AbstractCegarLoop]: Abstraction has 103317 states and 134402 transitions. [2018-07-24 13:01:12,031 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-24 13:01:12,031 INFO L276 IsEmpty]: Start isEmpty. Operand 103317 states and 134402 transitions. [2018-07-24 13:01:12,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1347 [2018-07-24 13:01:12,455 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 13:01:12,456 INFO L353 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:01:12,456 INFO L414 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4Err0AssertViolationERROR_FUNCTION]=== [2018-07-24 13:01:12,457 INFO L82 PathProgramCache]: Analyzing trace with hash 2067312143, now seen corresponding path program 1 times [2018-07-24 13:01:12,457 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 13:01:12,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:01:12,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:01:12,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:01:12,458 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 13:01:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:01:14,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1217 backedges. 556 proven. 310 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2018-07-24 13:01:14,813 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 13:01:14,813 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 13:01:14,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:01:14,821 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 13:01:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:01:15,369 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 13:01:16,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1217 backedges. 637 proven. 2 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2018-07-24 13:01:16,678 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 13:01:17,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1217 backedges. 556 proven. 310 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2018-07-24 13:01:17,978 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 13:01:17,979 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 11 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 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 13:01:17,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:01:17,998 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 13:01:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:01:19,223 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 13:01:20,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1217 backedges. 637 proven. 2 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2018-07-24 13:01:20,414 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 13:01:21,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1217 backedges. 556 proven. 310 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2018-07-24 13:01:21,688 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 13:01:21,690 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 16 [2018-07-24 13:01:21,690 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 13:01:21,692 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-24 13:01:21,692 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-24 13:01:21,693 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2018-07-24 13:01:21,693 INFO L87 Difference]: Start difference. First operand 103317 states and 134402 transitions. Second operand 9 states. [2018-07-24 13:01:38,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 13:01:38,775 INFO L93 Difference]: Finished difference Result 240211 states and 323320 transitions. [2018-07-24 13:01:38,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-07-24 13:01:38,775 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1346 [2018-07-24 13:01:38,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 13:01:39,306 INFO L225 Difference]: With dead ends: 240211 [2018-07-24 13:01:39,306 INFO L226 Difference]: Without dead ends: 118162 [2018-07-24 13:01:40,024 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5438 GetRequests, 5398 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=347, Invalid=1293, Unknown=0, NotChecked=0, Total=1640 [2018-07-24 13:01:40,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118162 states. [2018-07-24 13:01:41,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118162 to 107396. [2018-07-24 13:01:41,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107396 states. [2018-07-24 13:01:41,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107396 states to 107396 states and 119139 transitions. [2018-07-24 13:01:41,727 INFO L78 Accepts]: Start accepts. Automaton has 107396 states and 119139 transitions. Word has length 1346 [2018-07-24 13:01:41,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 13:01:41,728 INFO L471 AbstractCegarLoop]: Abstraction has 107396 states and 119139 transitions. [2018-07-24 13:01:41,728 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-24 13:01:41,728 INFO L276 IsEmpty]: Start isEmpty. Operand 107396 states and 119139 transitions. [2018-07-24 13:01:41,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1406 [2018-07-24 13:01:41,863 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 13:01:41,864 INFO L353 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:01:41,864 INFO L414 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4Err0AssertViolationERROR_FUNCTION]=== [2018-07-24 13:01:41,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1437098532, now seen corresponding path program 1 times [2018-07-24 13:01:41,865 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 13:01:41,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:01:41,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:01:41,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:01:41,866 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 13:01:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:01:43,584 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 592 proven. 103 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-07-24 13:01:43,584 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 13:01:43,584 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 13:01:43,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:01:43,592 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 13:01:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:01:44,124 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 13:01:45,157 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 695 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-07-24 13:01:45,157 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 13:01:46,499 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 695 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-07-24 13:01:46,520 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 13:01:46,520 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 13 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 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 13:01:46,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:01:46,537 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 13:01:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:01:47,787 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 13:01:48,654 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 695 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-07-24 13:01:48,655 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 13:01:50,139 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 695 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-07-24 13:01:50,142 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 13:01:50,144 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 15 [2018-07-24 13:01:50,144 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 13:01:50,146 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-24 13:01:50,146 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-24 13:01:50,146 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2018-07-24 13:01:50,147 INFO L87 Difference]: Start difference. First operand 107396 states and 119139 transitions. Second operand 9 states. [2018-07-24 13:02:04,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 13:02:04,567 INFO L93 Difference]: Finished difference Result 268215 states and 306788 transitions. [2018-07-24 13:02:04,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-07-24 13:02:04,568 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1405 [2018-07-24 13:02:04,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 13:02:04,568 INFO L225 Difference]: With dead ends: 268215 [2018-07-24 13:02:04,568 INFO L226 Difference]: Without dead ends: 0 [2018-07-24 13:02:04,857 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5673 GetRequests, 5632 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=329, Invalid=1231, Unknown=0, NotChecked=0, Total=1560 [2018-07-24 13:02:04,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-24 13:02:04,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-24 13:02:04,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-24 13:02:04,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-24 13:02:04,860 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1405 [2018-07-24 13:02:04,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 13:02:04,860 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-24 13:02:04,860 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-24 13:02:04,860 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-24 13:02:04,860 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-24 13:02:04,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-24 13:02:06,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:08,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:08,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:08,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:08,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:08,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:08,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:08,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:08,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:08,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:08,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:08,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:08,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:08,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:08,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:08,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:08,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:09,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:09,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:09,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:09,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:09,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:09,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:09,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:09,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:09,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:09,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:09,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:09,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:09,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:09,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:09,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:09,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:09,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:10,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:10,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:10,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:10,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:10,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:10,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:10,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:10,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:10,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:10,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:10,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:10,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:10,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:11,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:11,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:11,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:11,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:11,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:11,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:12,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:13,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:13,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:13,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:13,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:13,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:13,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:13,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:13,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:15,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:15,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:15,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:15,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:15,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:15,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:15,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:15,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:15,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:15,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:15,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:15,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:15,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:15,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:15,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:15,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:15,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:15,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:15,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:15,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:15,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:15,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:15,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:16,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:16,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:16,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:16,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:16,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:16,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:16,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:16,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:16,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:16,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:16,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:16,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:16,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:16,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:16,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:16,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:16,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:17,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:17,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:17,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:17,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:17,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:17,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:17,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:17,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:17,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:17,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:17,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:17,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:18,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:18,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:18,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:18,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:18,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:18,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:18,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:18,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:19,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:19,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:19,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:19,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:19,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:19,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:19,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:19,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:19,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:19,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:19,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:19,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:20,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:20,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:20,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:20,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:20,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:20,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:20,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:20,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:20,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:21,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:21,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:21,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:21,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:21,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:21,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:21,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:21,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:21,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:21,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:21,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:21,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:21,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:21,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:22,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:22,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:22,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:22,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:22,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:22,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:23,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:23,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:23,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:23,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:23,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:23,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:23,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:23,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:23,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:23,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:23,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:23,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:23,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:23,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:23,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:24,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:24,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:24,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:24,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:24,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:24,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. Received shutdown request... [2018-07-24 13:02:24,661 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction. Reason: Timeout or Toolchain cancelled by user [2018-07-24 13:02:24,662 INFO L168 Benchmark]: Toolchain (without parser) took 220431.15 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -887.9 MB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. [2018-07-24 13:02:24,663 INFO L168 Benchmark]: CDTParser took 0.23 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 13:02:24,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3007.25 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 232.5 MB). Peak memory consumption was 232.5 MB. Max. memory is 7.1 GB. [2018-07-24 13:02:24,664 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-24 13:02:24,665 INFO L168 Benchmark]: Boogie Preprocessor took 677.96 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 843.1 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. [2018-07-24 13:02:24,666 INFO L168 Benchmark]: RCFGBuilder took 11122.70 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 182.5 MB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: -71.2 MB). Peak memory consumption was 722.4 MB. Max. memory is 7.1 GB. [2018-07-24 13:02:24,667 INFO L168 Benchmark]: TraceAbstraction took 205457.76 ms. Allocated memory was 2.6 GB in the beginning and 3.9 GB in the end (delta: 1.4 GB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 38.5 MB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2018-07-24 13:02:24,671 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 3007.25 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 232.5 MB). Peak memory consumption was 232.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 156.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 677.96 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 843.1 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11122.70 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 182.5 MB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: -71.2 MB). Peak memory consumption was 722.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 205457.76 ms. Allocated memory was 2.6 GB in the beginning and 3.9 GB in the end (delta: 1.4 GB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 38.5 MB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4796]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction) Toolchain cancelled while SimplifyDDAWithTimeout was simplifying term of DAG size 3017. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem04_label22_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_13-02-24-684.csv Completed graceful shutdown