java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem05_label05_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 10:28:09,137 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 10:28:09,140 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 10:28:09,154 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 10:28:09,154 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 10:28:09,155 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 10:28:09,157 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 10:28:09,158 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 10:28:09,162 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 10:28:09,163 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 10:28:09,165 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 10:28:09,166 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 10:28:09,167 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 10:28:09,168 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 10:28:09,171 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 10:28:09,172 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 10:28:09,173 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 10:28:09,176 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 10:28:09,183 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 10:28:09,185 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 10:28:09,190 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 10:28:09,191 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 10:28:09,193 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-18 10:28:09,194 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-18 10:28:09,194 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-18 10:28:09,194 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-18 10:28:09,195 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-18 10:28:09,196 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-18 10:28:09,197 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-18 10:28:09,198 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-18 10:28:09,198 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-18 10:28:09,199 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-18 10:28:09,199 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 10:28:09,199 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 10:28:09,200 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 10:28:09,201 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 10:28:09,201 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-18 10:28:09,221 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 10:28:09,222 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 10:28:09,229 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 10:28:09,229 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 10:28:09,229 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 10:28:09,229 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 10:28:09,230 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 10:28:09,230 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 10:28:09,230 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 10:28:09,230 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 10:28:09,231 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 10:28:09,231 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 10:28:09,232 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 10:28:09,232 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 10:28:09,232 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 10:28:09,233 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 10:28:09,234 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 10:28:09,234 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 10:28:09,234 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 10:28:09,234 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 10:28:09,234 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 10:28:09,235 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 10:28:09,235 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 10:28:09,235 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 10:28:09,235 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 10:28:09,237 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 10:28:09,237 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 10:28:09,237 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 10:28:09,238 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 10:28:09,238 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 10:28:09,238 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 10:28:09,238 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 10:28:09,238 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 10:28:09,239 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 10:28:09,305 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 10:28:09,325 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 10:28:09,331 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 10:28:09,332 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 10:28:09,332 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 10:28:09,333 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem05_label05_true-unreach-call.c [2018-09-18 10:28:09,664 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/263c33df8/3334cc104a7d4af89ec4e59e3989c578/FLAG09b25252c [2018-09-18 10:28:10,301 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 10:28:10,303 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem05_label05_true-unreach-call.c [2018-09-18 10:28:10,351 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/263c33df8/3334cc104a7d4af89ec4e59e3989c578/FLAG09b25252c [2018-09-18 10:28:10,371 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/263c33df8/3334cc104a7d4af89ec4e59e3989c578 [2018-09-18 10:28:10,384 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 10:28:10,388 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 10:28:10,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 10:28:10,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 10:28:10,399 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 10:28:10,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:28:10" (1/1) ... [2018-09-18 10:28:10,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7008f1b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:28:10, skipping insertion in model container [2018-09-18 10:28:10,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:28:10" (1/1) ... [2018-09-18 10:28:10,418 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 10:28:12,513 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 10:28:12,537 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 10:28:13,706 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 10:28:14,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:28:14 WrapperNode [2018-09-18 10:28:14,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 10:28:14,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 10:28:14,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 10:28:14,155 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 10:28:14,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:28:14" (1/1) ... [2018-09-18 10:28:14,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:28:14" (1/1) ... [2018-09-18 10:28:14,341 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 10:28:14,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 10:28:14,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 10:28:14,341 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 10:28:15,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:28:14" (1/1) ... [2018-09-18 10:28:15,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:28:14" (1/1) ... [2018-09-18 10:28:15,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:28:14" (1/1) ... [2018-09-18 10:28:15,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:28:14" (1/1) ... [2018-09-18 10:28:15,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:28:14" (1/1) ... [2018-09-18 10:28:15,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:28:14" (1/1) ... [2018-09-18 10:28:15,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:28:14" (1/1) ... [2018-09-18 10:28:15,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 10:28:15,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 10:28:15,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 10:28:15,817 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 10:28:15,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:28:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 10:28:15,888 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 10:28:15,888 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 10:28:15,888 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2018-09-18 10:28:15,889 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2018-09-18 10:28:15,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 10:28:15,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 10:28:15,889 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2018-09-18 10:28:15,889 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2018-09-18 10:28:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-09-18 10:28:15,890 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-09-18 10:28:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-09-18 10:28:15,890 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-09-18 10:28:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-18 10:28:15,890 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-18 10:28:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-18 10:28:15,892 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-18 10:28:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-18 10:28:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-18 10:28:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-18 10:28:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-18 10:28:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 10:28:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 10:28:31,680 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 10:28:31,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:28:31 BoogieIcfgContainer [2018-09-18 10:28:31,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 10:28:31,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 10:28:31,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 10:28:31,685 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 10:28:31,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 10:28:10" (1/3) ... [2018-09-18 10:28:31,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf32771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 10:28:31, skipping insertion in model container [2018-09-18 10:28:31,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:28:14" (2/3) ... [2018-09-18 10:28:31,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf32771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 10:28:31, skipping insertion in model container [2018-09-18 10:28:31,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:28:31" (3/3) ... [2018-09-18 10:28:31,691 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem05_label05_true-unreach-call.c [2018-09-18 10:28:31,701 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 10:28:31,714 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 10:28:31,795 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 10:28:31,796 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 10:28:31,796 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 10:28:31,796 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 10:28:31,796 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 10:28:31,797 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 10:28:31,797 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 10:28:31,797 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 10:28:31,797 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 10:28:31,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states. [2018-09-18 10:28:31,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1709 [2018-09-18 10:28:31,971 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:28:31,974 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:28:31,975 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_output8Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:28:31,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1227394525, now seen corresponding path program 1 times [2018-09-18 10:28:31,985 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:28:32,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:28:32,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:28:32,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:28:32,038 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:28:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:28:34,596 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 10:28:38,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:28:38,012 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:28:38,012 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 10:28:38,012 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:28:38,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 10:28:38,039 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 10:28:38,040 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 10:28:38,043 INFO L87 Difference]: Start difference. First operand 2223 states. Second operand 3 states. [2018-09-18 10:28:50,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:28:50,345 INFO L93 Difference]: Finished difference Result 6282 states and 11807 transitions. [2018-09-18 10:28:50,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 10:28:50,347 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1708 [2018-09-18 10:28:50,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:28:50,412 INFO L225 Difference]: With dead ends: 6282 [2018-09-18 10:28:50,412 INFO L226 Difference]: Without dead ends: 4057 [2018-09-18 10:28:50,429 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 9 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 10:28:50,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4057 states. [2018-09-18 10:28:50,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4057 to 4051. [2018-09-18 10:28:50,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4051 states. [2018-09-18 10:28:50,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4051 states to 4051 states and 7097 transitions. [2018-09-18 10:28:50,691 INFO L78 Accepts]: Start accepts. Automaton has 4051 states and 7097 transitions. Word has length 1708 [2018-09-18 10:28:50,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:28:50,699 INFO L480 AbstractCegarLoop]: Abstraction has 4051 states and 7097 transitions. [2018-09-18 10:28:50,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 10:28:50,699 INFO L276 IsEmpty]: Start isEmpty. Operand 4051 states and 7097 transitions. [2018-09-18 10:28:50,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1719 [2018-09-18 10:28:50,865 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:28:50,867 INFO L376 BasicCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:28:50,867 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_output8Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:28:50,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1976837915, now seen corresponding path program 1 times [2018-09-18 10:28:50,869 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:28:50,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:28:50,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:28:50,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:28:50,871 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:28:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:28:51,380 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 10:28:53,342 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:28:53,343 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:28:53,343 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 10:28:53,343 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:28:53,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 10:28:53,348 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 10:28:53,348 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 10:28:53,348 INFO L87 Difference]: Start difference. First operand 4051 states and 7097 transitions. Second operand 5 states. [2018-09-18 10:29:08,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:29:08,109 INFO L93 Difference]: Finished difference Result 11785 states and 20940 transitions. [2018-09-18 10:29:08,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 10:29:08,112 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1718 [2018-09-18 10:29:08,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:29:08,162 INFO L225 Difference]: With dead ends: 11785 [2018-09-18 10:29:08,163 INFO L226 Difference]: Without dead ends: 7740 [2018-09-18 10:29:08,174 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-18 10:29:08,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7740 states. [2018-09-18 10:29:08,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7740 to 7667. [2018-09-18 10:29:08,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7667 states. [2018-09-18 10:29:08,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7667 states to 7667 states and 12840 transitions. [2018-09-18 10:29:08,418 INFO L78 Accepts]: Start accepts. Automaton has 7667 states and 12840 transitions. Word has length 1718 [2018-09-18 10:29:08,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:29:08,419 INFO L480 AbstractCegarLoop]: Abstraction has 7667 states and 12840 transitions. [2018-09-18 10:29:08,419 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 10:29:08,420 INFO L276 IsEmpty]: Start isEmpty. Operand 7667 states and 12840 transitions. [2018-09-18 10:29:08,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1721 [2018-09-18 10:29:08,550 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:29:08,551 INFO L376 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:29:08,551 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_output8Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:29:08,552 INFO L82 PathProgramCache]: Analyzing trace with hash 1865543745, now seen corresponding path program 1 times [2018-09-18 10:29:08,553 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:29:08,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:29:08,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:29:08,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:29:08,555 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:29:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:29:10,155 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 10:29:12,244 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:29:12,244 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:29:12,245 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 10:29:12,245 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:29:12,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 10:29:12,278 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 10:29:12,278 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 10:29:12,279 INFO L87 Difference]: Start difference. First operand 7667 states and 12840 transitions. Second operand 3 states. [2018-09-18 10:29:21,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:29:21,608 INFO L93 Difference]: Finished difference Result 22470 states and 38438 transitions. [2018-09-18 10:29:21,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 10:29:21,610 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1720 [2018-09-18 10:29:21,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:29:21,686 INFO L225 Difference]: With dead ends: 22470 [2018-09-18 10:29:21,686 INFO L226 Difference]: Without dead ends: 14809 [2018-09-18 10:29:21,711 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 8 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 10:29:21,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14809 states. [2018-09-18 10:29:22,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14809 to 14736. [2018-09-18 10:29:22,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14736 states. [2018-09-18 10:29:22,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14736 states to 14736 states and 24996 transitions. [2018-09-18 10:29:22,080 INFO L78 Accepts]: Start accepts. Automaton has 14736 states and 24996 transitions. Word has length 1720 [2018-09-18 10:29:22,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:29:22,083 INFO L480 AbstractCegarLoop]: Abstraction has 14736 states and 24996 transitions. [2018-09-18 10:29:22,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 10:29:22,083 INFO L276 IsEmpty]: Start isEmpty. Operand 14736 states and 24996 transitions. [2018-09-18 10:29:22,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1758 [2018-09-18 10:29:22,160 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:29:22,162 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:29:22,162 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_output8Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:29:22,164 INFO L82 PathProgramCache]: Analyzing trace with hash 174984251, now seen corresponding path program 1 times [2018-09-18 10:29:22,164 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:29:22,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:29:22,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:29:22,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:29:22,166 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:29:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:29:22,534 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 10:29:23,727 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:29:23,727 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:29:23,728 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 10:29:23,728 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:29:23,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 10:29:23,730 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 10:29:23,730 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 10:29:23,731 INFO L87 Difference]: Start difference. First operand 14736 states and 24996 transitions. Second operand 6 states. [2018-09-18 10:29:38,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:29:38,470 INFO L93 Difference]: Finished difference Result 37365 states and 65029 transitions. [2018-09-18 10:29:38,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 10:29:38,471 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1757 [2018-09-18 10:29:38,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:29:38,583 INFO L225 Difference]: With dead ends: 37365 [2018-09-18 10:29:38,583 INFO L226 Difference]: Without dead ends: 22635 [2018-09-18 10:29:38,642 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 10:29:38,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22635 states. [2018-09-18 10:29:39,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22635 to 22395. [2018-09-18 10:29:39,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22395 states. [2018-09-18 10:29:39,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22395 states to 22395 states and 37639 transitions. [2018-09-18 10:29:39,343 INFO L78 Accepts]: Start accepts. Automaton has 22395 states and 37639 transitions. Word has length 1757 [2018-09-18 10:29:39,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:29:39,343 INFO L480 AbstractCegarLoop]: Abstraction has 22395 states and 37639 transitions. [2018-09-18 10:29:39,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 10:29:39,344 INFO L276 IsEmpty]: Start isEmpty. Operand 22395 states and 37639 transitions. [2018-09-18 10:29:39,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1777 [2018-09-18 10:29:39,461 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:29:39,463 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:29:39,463 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_output8Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:29:39,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1258840875, now seen corresponding path program 1 times [2018-09-18 10:29:39,464 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:29:39,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:29:39,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:29:39,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:29:39,466 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:29:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:29:39,937 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 10:29:41,577 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:29:41,578 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:29:41,578 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 10:29:41,578 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:29:41,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 10:29:41,580 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 10:29:41,580 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 10:29:41,581 INFO L87 Difference]: Start difference. First operand 22395 states and 37639 transitions. Second operand 6 states. [2018-09-18 10:29:55,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:29:55,946 INFO L93 Difference]: Finished difference Result 65902 states and 118617 transitions. [2018-09-18 10:29:55,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 10:29:55,947 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1776 [2018-09-18 10:29:55,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:29:56,111 INFO L225 Difference]: With dead ends: 65902 [2018-09-18 10:29:56,111 INFO L226 Difference]: Without dead ends: 43513 [2018-09-18 10:29:56,189 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 10:29:56,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43513 states. [2018-09-18 10:29:57,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43513 to 42992. [2018-09-18 10:29:57,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42992 states. [2018-09-18 10:29:57,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42992 states to 42992 states and 73353 transitions. [2018-09-18 10:29:57,211 INFO L78 Accepts]: Start accepts. Automaton has 42992 states and 73353 transitions. Word has length 1776 [2018-09-18 10:29:57,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:29:57,212 INFO L480 AbstractCegarLoop]: Abstraction has 42992 states and 73353 transitions. [2018-09-18 10:29:57,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 10:29:57,212 INFO L276 IsEmpty]: Start isEmpty. Operand 42992 states and 73353 transitions. [2018-09-18 10:29:57,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1792 [2018-09-18 10:29:57,336 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:29:57,337 INFO L376 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:29:57,338 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_output8Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:29:57,339 INFO L82 PathProgramCache]: Analyzing trace with hash -620629951, now seen corresponding path program 1 times [2018-09-18 10:29:57,339 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:29:57,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:29:57,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:29:57,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:29:57,341 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:29:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:29:57,733 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 10:29:59,716 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 73 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 10:29:59,717 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:29:59,717 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 10:29:59,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:29:59,727 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:30:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:30:00,298 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:30:02,121 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-09-18 10:30:02,121 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:30:03,737 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 73 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 10:30:03,761 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-18 10:30:03,762 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 9 [2018-09-18 10:30:03,762 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:30:03,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 10:30:03,766 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 10:30:03,767 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-09-18 10:30:03,767 INFO L87 Difference]: Start difference. First operand 42992 states and 73353 transitions. Second operand 5 states. [2018-09-18 10:30:20,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:30:20,517 INFO L93 Difference]: Finished difference Result 109952 states and 202671 transitions. [2018-09-18 10:30:20,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 10:30:20,517 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1791 [2018-09-18 10:30:20,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:30:20,891 INFO L225 Difference]: With dead ends: 109952 [2018-09-18 10:30:20,892 INFO L226 Difference]: Without dead ends: 66966 [2018-09-18 10:30:21,071 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3590 GetRequests, 3576 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2018-09-18 10:30:21,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66966 states. [2018-09-18 10:30:23,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66966 to 66285. [2018-09-18 10:30:23,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66285 states. [2018-09-18 10:30:23,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66285 states to 66285 states and 108152 transitions. [2018-09-18 10:30:23,340 INFO L78 Accepts]: Start accepts. Automaton has 66285 states and 108152 transitions. Word has length 1791 [2018-09-18 10:30:23,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:30:23,341 INFO L480 AbstractCegarLoop]: Abstraction has 66285 states and 108152 transitions. [2018-09-18 10:30:23,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 10:30:23,341 INFO L276 IsEmpty]: Start isEmpty. Operand 66285 states and 108152 transitions. [2018-09-18 10:30:23,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1805 [2018-09-18 10:30:23,612 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:30:23,614 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:30:23,614 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_output8Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:30:23,615 INFO L82 PathProgramCache]: Analyzing trace with hash -812393909, now seen corresponding path program 1 times [2018-09-18 10:30:23,615 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:30:23,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:30:23,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:30:23,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:30:23,617 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:30:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:30:26,070 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 100 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-09-18 10:30:26,071 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:30:26,071 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 10:30:26,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:30:26,078 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:30:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:30:26,608 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:30:28,836 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 55 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-09-18 10:30:28,837 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:30:30,402 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 100 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-09-18 10:30:30,425 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:30:30,425 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 10:30:30,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:30:30,444 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:30:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:30:31,849 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:30:32,926 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 55 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-09-18 10:30:32,926 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:30:34,168 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 100 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-09-18 10:30:34,171 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 10:30:34,173 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5] total 14 [2018-09-18 10:30:34,173 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 10:30:34,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-18 10:30:34,176 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-18 10:30:34,176 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-09-18 10:30:34,176 INFO L87 Difference]: Start difference. First operand 66285 states and 108152 transitions. Second operand 8 states. [2018-09-18 10:31:03,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:31:03,579 INFO L93 Difference]: Finished difference Result 175093 states and 320956 transitions. [2018-09-18 10:31:03,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-18 10:31:03,579 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1804 [2018-09-18 10:31:03,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:31:04,114 INFO L225 Difference]: With dead ends: 175093 [2018-09-18 10:31:04,115 INFO L226 Difference]: Without dead ends: 108814 [2018-09-18 10:31:04,240 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7233 GetRequests, 7212 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2018-09-18 10:31:04,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108814 states. [2018-09-18 10:31:06,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108814 to 107938. [2018-09-18 10:31:06,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107938 states. [2018-09-18 10:31:06,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107938 states to 107938 states and 178440 transitions. [2018-09-18 10:31:06,932 INFO L78 Accepts]: Start accepts. Automaton has 107938 states and 178440 transitions. Word has length 1804 [2018-09-18 10:31:06,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:31:06,933 INFO L480 AbstractCegarLoop]: Abstraction has 107938 states and 178440 transitions. [2018-09-18 10:31:06,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-18 10:31:06,933 INFO L276 IsEmpty]: Start isEmpty. Operand 107938 states and 178440 transitions. [2018-09-18 10:31:07,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1816 [2018-09-18 10:31:07,294 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:31:07,297 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:31:07,298 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_output8Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:31:07,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1065013703, now seen corresponding path program 1 times [2018-09-18 10:31:07,299 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:31:07,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:31:07,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:31:07,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:31:07,300 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:31:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:31:10,378 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 113 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-09-18 10:31:10,378 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:31:10,379 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 10:31:10,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:31:10,388 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:31:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:31:10,879 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:31:12,471 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-09-18 10:31:12,471 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:31:13,594 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 113 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-09-18 10:31:13,616 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:31:13,616 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 10:31:13,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:31:13,634 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:31:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:31:14,756 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:31:15,903 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-09-18 10:31:15,903 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:31:17,015 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 113 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-09-18 10:31:17,019 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 10:31:17,020 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 16 [2018-09-18 10:31:17,020 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 10:31:17,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-18 10:31:17,023 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-18 10:31:17,024 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2018-09-18 10:31:17,024 INFO L87 Difference]: Start difference. First operand 107938 states and 178440 transitions. Second operand 9 states. [2018-09-18 10:31:46,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:31:46,919 INFO L93 Difference]: Finished difference Result 267402 states and 513917 transitions. [2018-09-18 10:31:46,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-09-18 10:31:46,920 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1815 [2018-09-18 10:31:46,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:31:47,570 INFO L225 Difference]: With dead ends: 267402 [2018-09-18 10:31:47,571 INFO L226 Difference]: Without dead ends: 159475 [2018-09-18 10:31:47,889 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7320 GetRequests, 7277 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=388, Invalid=1504, Unknown=0, NotChecked=0, Total=1892 [2018-09-18 10:31:48,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159475 states. Received shutdown request... [2018-09-18 10:31:48,164 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-18 10:31:48,169 WARN L206 ceAbstractionStarter]: Timeout [2018-09-18 10:31:48,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 10:31:48 BoogieIcfgContainer [2018-09-18 10:31:48,169 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 10:31:48,170 INFO L168 Benchmark]: Toolchain (without parser) took 217784.36 ms. Allocated memory was 1.5 GB in the beginning and 3.7 GB in the end (delta: 2.1 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -245.9 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-09-18 10:31:48,171 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 10:31:48,171 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3764.45 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 190.3 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -211.2 MB). Peak memory consumption was 473.0 MB. Max. memory is 7.1 GB. [2018-09-18 10:31:48,172 INFO L168 Benchmark]: Boogie Procedure Inliner took 186.30 ms. Allocated memory is still 1.7 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2018-09-18 10:31:48,173 INFO L168 Benchmark]: Boogie Preprocessor took 1475.46 ms. Allocated memory was 1.7 GB in the beginning and 2.4 GB in the end (delta: 665.3 MB). Free memory was 1.6 GB in the beginning and 2.2 GB in the end (delta: -646.5 MB). Peak memory consumption was 92.0 MB. Max. memory is 7.1 GB. [2018-09-18 10:31:48,174 INFO L168 Benchmark]: RCFGBuilder took 15863.85 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 313.5 MB). Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 229.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-18 10:31:48,175 INFO L168 Benchmark]: TraceAbstraction took 196487.55 ms. Allocated memory was 2.7 GB in the beginning and 3.7 GB in the end (delta: 950.5 MB). Free memory was 2.0 GB in the beginning and 1.6 GB in the end (delta: 361.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-09-18 10:31:48,180 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 3764.45 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 190.3 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -211.2 MB). Peak memory consumption was 473.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 186.30 ms. Allocated memory is still 1.7 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1475.46 ms. Allocated memory was 1.7 GB in the beginning and 2.4 GB in the end (delta: 665.3 MB). Free memory was 1.6 GB in the beginning and 2.2 GB in the end (delta: -646.5 MB). Peak memory consumption was 92.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 15863.85 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 313.5 MB). Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 229.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 196487.55 ms. Allocated memory was 2.7 GB in the beginning and 3.7 GB in the end (delta: 950.5 MB). Free memory was 2.0 GB in the beginning and 1.6 GB in the end (delta: 361.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 11105]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 11105). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 2223 locations, 1 error locations. TIMEOUT Result, 196.3s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 144.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9830 SDtfs, 71077 SDslu, 8314 SDs, 0 SdLazy, 106004 SolverSat, 31963 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 108.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18196 GetRequests, 18076 SyntacticMatches, 27 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107938occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 7.8s AutomataMinimizationTime, 8 MinimizatonAttempts, 2470 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 1.1s SsaConstructionTime, 4.2s SatisfiabilityAnalysisTime, 21.4s InterpolantComputationTime, 23118 NumberOfCodeBlocks, 23118 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 32129 ConstructedInterpolants, 0 QuantifiedInterpolants, 77412879 SizeOfPredicates, 6 NumberOfNonLiveVariables, 11511 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 18 InterpolantComputations, 6 PerfectInterpolantSequences, 1634/1738 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem05_label05_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_10-31-48-200.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem05_label05_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_10-31-48-200.csv Completed graceful shutdown