java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label02_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 07:10:41,107 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 07:10:41,109 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 07:10:41,121 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 07:10:41,121 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 07:10:41,122 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 07:10:41,124 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 07:10:41,126 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 07:10:41,127 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 07:10:41,128 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 07:10:41,129 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 07:10:41,129 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 07:10:41,130 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 07:10:41,131 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 07:10:41,132 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 07:10:41,133 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 07:10:41,134 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 07:10:41,136 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 07:10:41,138 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 07:10:41,139 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 07:10:41,140 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 07:10:41,142 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 07:10:41,144 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 07:10:41,144 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 07:10:41,145 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 07:10:41,146 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 07:10:41,147 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 07:10:41,147 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 07:10:41,148 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 07:10:41,149 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 07:10:41,150 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 07:10:41,150 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 07:10:41,151 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 07:10:41,151 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 07:10:41,152 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 07:10:41,153 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 07:10:41,153 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 07:10:41,169 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 07:10:41,169 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 07:10:41,170 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 07:10:41,170 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 07:10:41,170 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 07:10:41,170 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 07:10:41,171 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 07:10:41,171 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 07:10:41,171 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 07:10:41,171 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 07:10:41,171 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 07:10:41,172 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 07:10:41,172 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 07:10:41,172 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 07:10:41,173 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 07:10:41,173 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 07:10:41,173 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 07:10:41,173 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 07:10:41,174 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 07:10:41,174 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 07:10:41,174 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 07:10:41,174 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 07:10:41,175 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 07:10:41,175 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 07:10:41,175 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 07:10:41,175 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 07:10:41,175 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 07:10:41,176 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 07:10:41,176 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 07:10:41,176 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 07:10:41,176 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 07:10:41,176 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 07:10:41,177 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 07:10:41,177 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 07:10:41,177 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 07:10:41,177 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 07:10:41,235 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 07:10:41,250 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 07:10:41,253 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 07:10:41,254 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 07:10:41,255 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 07:10:41,256 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label02_true-unreach-call.c [2018-11-07 07:10:41,316 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c1f5febc/0d8b1158a9e84960a59f908fcbf946e4/FLAGf5b1f66c7 [2018-11-07 07:10:41,974 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 07:10:41,975 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label02_true-unreach-call.c [2018-11-07 07:10:41,992 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c1f5febc/0d8b1158a9e84960a59f908fcbf946e4/FLAGf5b1f66c7 [2018-11-07 07:10:42,007 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c1f5febc/0d8b1158a9e84960a59f908fcbf946e4 [2018-11-07 07:10:42,019 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 07:10:42,021 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 07:10:42,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 07:10:42,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 07:10:42,026 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 07:10:42,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:10:42" (1/1) ... [2018-11-07 07:10:42,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41fd93e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:10:42, skipping insertion in model container [2018-11-07 07:10:42,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:10:42" (1/1) ... [2018-11-07 07:10:42,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 07:10:42,136 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 07:10:43,033 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:10:43,038 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 07:10:43,363 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:10:43,387 INFO L193 MainTranslator]: Completed translation [2018-11-07 07:10:43,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:10:43 WrapperNode [2018-11-07 07:10:43,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 07:10:43,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 07:10:43,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 07:10:43,390 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 07:10:43,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:10:43" (1/1) ... [2018-11-07 07:10:43,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:10:43" (1/1) ... [2018-11-07 07:10:43,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 07:10:43,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 07:10:43,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 07:10:43,573 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 07:10:43,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:10:43" (1/1) ... [2018-11-07 07:10:43,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:10:43" (1/1) ... [2018-11-07 07:10:43,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:10:43" (1/1) ... [2018-11-07 07:10:43,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:10:43" (1/1) ... [2018-11-07 07:10:43,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:10:43" (1/1) ... [2018-11-07 07:10:43,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:10:43" (1/1) ... [2018-11-07 07:10:43,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:10:43" (1/1) ... [2018-11-07 07:10:43,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 07:10:43,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 07:10:43,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 07:10:43,719 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 07:10:43,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:10:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 07:10:43,792 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 07:10:43,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 07:10:43,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 07:10:43,793 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 07:10:43,793 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 07:10:43,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 07:10:43,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 07:10:43,795 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 07:10:43,795 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 07:10:48,892 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 07:10:48,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:10:48 BoogieIcfgContainer [2018-11-07 07:10:48,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 07:10:48,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 07:10:48,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 07:10:48,898 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 07:10:48,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:10:42" (1/3) ... [2018-11-07 07:10:48,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d91991b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:10:48, skipping insertion in model container [2018-11-07 07:10:48,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:10:43" (2/3) ... [2018-11-07 07:10:48,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d91991b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:10:48, skipping insertion in model container [2018-11-07 07:10:48,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:10:48" (3/3) ... [2018-11-07 07:10:48,902 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label02_true-unreach-call.c [2018-11-07 07:10:48,912 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 07:10:48,923 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 07:10:48,941 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 07:10:48,988 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 07:10:48,988 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 07:10:48,988 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 07:10:48,988 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 07:10:48,988 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 07:10:48,989 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 07:10:48,989 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 07:10:48,989 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 07:10:49,029 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2018-11-07 07:10:49,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-07 07:10:49,052 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:10:49,053 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:10:49,056 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:10:49,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:10:49,062 INFO L82 PathProgramCache]: Analyzing trace with hash -598377940, now seen corresponding path program 1 times [2018-11-07 07:10:49,064 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:10:49,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:10:49,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:10:49,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:10:49,117 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:10:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:10:50,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:10:50,202 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:10:50,202 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 07:10:50,202 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:10:50,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:10:50,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:10:50,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:10:50,222 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 3 states. [2018-11-07 07:10:52,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:10:52,467 INFO L93 Difference]: Finished difference Result 838 states and 1479 transitions. [2018-11-07 07:10:52,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:10:52,470 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2018-11-07 07:10:52,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:10:52,495 INFO L225 Difference]: With dead ends: 838 [2018-11-07 07:10:52,495 INFO L226 Difference]: Without dead ends: 524 [2018-11-07 07:10:52,502 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:10:52,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2018-11-07 07:10:52,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 522. [2018-11-07 07:10:52,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 522 states. [2018-11-07 07:10:52,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 890 transitions. [2018-11-07 07:10:52,599 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 890 transitions. Word has length 211 [2018-11-07 07:10:52,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:10:52,600 INFO L480 AbstractCegarLoop]: Abstraction has 522 states and 890 transitions. [2018-11-07 07:10:52,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:10:52,600 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 890 transitions. [2018-11-07 07:10:52,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-07 07:10:52,609 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:10:52,610 INFO L375 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] [2018-11-07 07:10:52,610 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:10:52,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:10:52,611 INFO L82 PathProgramCache]: Analyzing trace with hash 500762469, now seen corresponding path program 1 times [2018-11-07 07:10:52,611 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:10:52,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:10:52,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:10:52,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:10:52,613 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:10:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:10:53,013 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:10:53,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:10:53,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 07:10:53,014 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:10:53,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 07:10:53,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 07:10:53,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 07:10:53,018 INFO L87 Difference]: Start difference. First operand 522 states and 890 transitions. Second operand 6 states. [2018-11-07 07:10:57,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:10:57,424 INFO L93 Difference]: Finished difference Result 1581 states and 2759 transitions. [2018-11-07 07:10:57,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-07 07:10:57,432 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 221 [2018-11-07 07:10:57,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:10:57,446 INFO L225 Difference]: With dead ends: 1581 [2018-11-07 07:10:57,446 INFO L226 Difference]: Without dead ends: 1065 [2018-11-07 07:10:57,450 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 07:10:57,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2018-11-07 07:10:57,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1023. [2018-11-07 07:10:57,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1023 states. [2018-11-07 07:10:57,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1733 transitions. [2018-11-07 07:10:57,548 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1733 transitions. Word has length 221 [2018-11-07 07:10:57,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:10:57,549 INFO L480 AbstractCegarLoop]: Abstraction has 1023 states and 1733 transitions. [2018-11-07 07:10:57,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 07:10:57,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1733 transitions. [2018-11-07 07:10:57,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-07 07:10:57,561 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:10:57,562 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-07 07:10:57,562 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:10:57,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:10:57,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1880963624, now seen corresponding path program 1 times [2018-11-07 07:10:57,563 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:10:57,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:10:57,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:10:57,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:10:57,564 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:10:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:10:57,917 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:10:57,918 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:10:57,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 07:10:57,920 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:10:57,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:10:57,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:10:57,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:10:57,921 INFO L87 Difference]: Start difference. First operand 1023 states and 1733 transitions. Second operand 3 states. [2018-11-07 07:11:00,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:11:00,690 INFO L93 Difference]: Finished difference Result 2901 states and 5098 transitions. [2018-11-07 07:11:00,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:11:00,693 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2018-11-07 07:11:00,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:11:00,705 INFO L225 Difference]: With dead ends: 2901 [2018-11-07 07:11:00,706 INFO L226 Difference]: Without dead ends: 1884 [2018-11-07 07:11:00,710 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:11:00,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1884 states. [2018-11-07 07:11:00,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1884 to 1864. [2018-11-07 07:11:00,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1864 states. [2018-11-07 07:11:00,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 1864 states and 3159 transitions. [2018-11-07 07:11:00,769 INFO L78 Accepts]: Start accepts. Automaton has 1864 states and 3159 transitions. Word has length 224 [2018-11-07 07:11:00,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:11:00,769 INFO L480 AbstractCegarLoop]: Abstraction has 1864 states and 3159 transitions. [2018-11-07 07:11:00,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:11:00,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states and 3159 transitions. [2018-11-07 07:11:00,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-07 07:11:00,778 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:11:00,778 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2018-11-07 07:11:00,778 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:11:00,779 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:11:00,779 INFO L82 PathProgramCache]: Analyzing trace with hash 651322454, now seen corresponding path program 1 times [2018-11-07 07:11:00,779 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:11:00,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:11:00,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:11:00,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:11:00,780 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:11:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:11:01,042 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 07:11:01,334 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 07:11:01,334 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:11:01,335 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:11:01,336 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 233 with the following transitions: [2018-11-07 07:11:01,339 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [8], [12], [13], [16], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1049], [1057], [1065], [1073], [1081], [1089], [1097], [1105], [1113], [1121], [1129], [1137], [1145], [1149], [1151], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-07 07:11:01,406 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:11:01,407 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:11:02,789 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:11:02,791 INFO L272 AbstractInterpreter]: Visited 212 different actions 212 times. Never merged. Never widened. Never found a fixpoint. Largest state had 88 variables. [2018-11-07 07:11:02,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:11:02,841 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:11:03,939 INFO L227 lantSequenceWeakener]: Weakened 221 states. On average, predicates are now at 75.48% of their original sizes. [2018-11-07 07:11:03,939 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:11:05,131 INFO L415 sIntCurrentIteration]: We unified 231 AI predicates to 231 [2018-11-07 07:11:05,131 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:11:05,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:11:05,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [5] total 23 [2018-11-07 07:11:05,133 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:11:05,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-07 07:11:05,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-07 07:11:05,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2018-11-07 07:11:05,134 INFO L87 Difference]: Start difference. First operand 1864 states and 3159 transitions. Second operand 20 states. [2018-11-07 07:11:36,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:11:36,789 INFO L93 Difference]: Finished difference Result 3932 states and 6645 transitions. [2018-11-07 07:11:36,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-07 07:11:36,789 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 232 [2018-11-07 07:11:36,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:11:36,801 INFO L225 Difference]: With dead ends: 3932 [2018-11-07 07:11:36,801 INFO L226 Difference]: Without dead ends: 2074 [2018-11-07 07:11:36,807 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 232 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=117, Invalid=303, Unknown=0, NotChecked=0, Total=420 [2018-11-07 07:11:36,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2074 states. [2018-11-07 07:11:36,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2074 to 2072. [2018-11-07 07:11:36,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2072 states. [2018-11-07 07:11:36,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 2072 states and 3376 transitions. [2018-11-07 07:11:36,865 INFO L78 Accepts]: Start accepts. Automaton has 2072 states and 3376 transitions. Word has length 232 [2018-11-07 07:11:36,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:11:36,865 INFO L480 AbstractCegarLoop]: Abstraction has 2072 states and 3376 transitions. [2018-11-07 07:11:36,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-07 07:11:36,865 INFO L276 IsEmpty]: Start isEmpty. Operand 2072 states and 3376 transitions. [2018-11-07 07:11:36,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-07 07:11:36,875 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:11:36,875 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-11-07 07:11:36,875 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:11:36,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:11:36,876 INFO L82 PathProgramCache]: Analyzing trace with hash 460537689, now seen corresponding path program 1 times [2018-11-07 07:11:36,876 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:11:36,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:11:36,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:11:36,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:11:36,877 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:11:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:11:37,198 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 34 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-07 07:11:37,199 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:11:37,199 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:11:37,199 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 245 with the following transitions: [2018-11-07 07:11:37,201 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [8], [12], [13], [16], [17], [21], [24], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1049], [1057], [1065], [1073], [1081], [1089], [1097], [1105], [1113], [1121], [1129], [1137], [1145], [1149], [1151], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-07 07:11:37,228 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:11:37,229 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:11:38,235 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:11:38,235 INFO L272 AbstractInterpreter]: Visited 216 different actions 426 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-11-07 07:11:38,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:11:38,267 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:11:38,957 INFO L227 lantSequenceWeakener]: Weakened 239 states. On average, predicates are now at 75.7% of their original sizes. [2018-11-07 07:11:38,957 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:11:40,348 INFO L415 sIntCurrentIteration]: We unified 243 AI predicates to 243 [2018-11-07 07:11:40,348 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:11:40,348 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:11:40,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [27] imperfect sequences [5] total 30 [2018-11-07 07:11:40,349 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:11:40,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-11-07 07:11:40,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-11-07 07:11:40,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=580, Unknown=0, NotChecked=0, Total=702 [2018-11-07 07:11:40,350 INFO L87 Difference]: Start difference. First operand 2072 states and 3376 transitions. Second operand 27 states. [2018-11-07 07:12:08,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:12:08,164 INFO L93 Difference]: Finished difference Result 4144 states and 6896 transitions. [2018-11-07 07:12:08,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-07 07:12:08,164 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 244 [2018-11-07 07:12:08,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:12:08,176 INFO L225 Difference]: With dead ends: 4144 [2018-11-07 07:12:08,176 INFO L226 Difference]: Without dead ends: 2286 [2018-11-07 07:12:08,182 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 252 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=246, Invalid=1014, Unknown=0, NotChecked=0, Total=1260 [2018-11-07 07:12:08,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2286 states. [2018-11-07 07:12:08,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2286 to 2283. [2018-11-07 07:12:08,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2283 states. [2018-11-07 07:12:08,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2283 states to 2283 states and 3604 transitions. [2018-11-07 07:12:08,240 INFO L78 Accepts]: Start accepts. Automaton has 2283 states and 3604 transitions. Word has length 244 [2018-11-07 07:12:08,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:12:08,241 INFO L480 AbstractCegarLoop]: Abstraction has 2283 states and 3604 transitions. [2018-11-07 07:12:08,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-11-07 07:12:08,241 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 3604 transitions. [2018-11-07 07:12:08,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-07 07:12:08,250 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:12:08,250 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2018-11-07 07:12:08,250 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:12:08,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:12:08,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1307188554, now seen corresponding path program 1 times [2018-11-07 07:12:08,251 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:12:08,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:12:08,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:12:08,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:12:08,252 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:12:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:12:08,483 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:12:08,485 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:12:08,485 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:12:08,485 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 244 with the following transitions: [2018-11-07 07:12:08,486 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [16], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1049], [1057], [1065], [1073], [1081], [1089], [1097], [1105], [1113], [1121], [1129], [1137], [1145], [1149], [1151], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-07 07:12:08,494 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:12:08,495 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:12:09,188 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:12:09,188 INFO L272 AbstractInterpreter]: Visited 215 different actions 423 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-11-07 07:12:09,195 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:12:09,195 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:12:09,725 INFO L227 lantSequenceWeakener]: Weakened 240 states. On average, predicates are now at 78.07% of their original sizes. [2018-11-07 07:12:09,725 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:12:10,121 INFO L415 sIntCurrentIteration]: We unified 242 AI predicates to 242 [2018-11-07 07:12:10,121 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:12:10,121 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:12:10,121 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [6] total 26 [2018-11-07 07:12:10,121 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:12:10,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-07 07:12:10,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-07 07:12:10,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2018-11-07 07:12:10,123 INFO L87 Difference]: Start difference. First operand 2283 states and 3604 transitions. Second operand 22 states. [2018-11-07 07:12:44,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:12:44,066 INFO L93 Difference]: Finished difference Result 5417 states and 9011 transitions. [2018-11-07 07:12:44,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-07 07:12:44,066 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 243 [2018-11-07 07:12:44,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:12:44,084 INFO L225 Difference]: With dead ends: 5417 [2018-11-07 07:12:44,084 INFO L226 Difference]: Without dead ends: 3559 [2018-11-07 07:12:44,091 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 251 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=202, Invalid=728, Unknown=0, NotChecked=0, Total=930 [2018-11-07 07:12:44,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3559 states. [2018-11-07 07:12:44,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3559 to 3551. [2018-11-07 07:12:44,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3551 states. [2018-11-07 07:12:44,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3551 states to 3551 states and 5440 transitions. [2018-11-07 07:12:44,176 INFO L78 Accepts]: Start accepts. Automaton has 3551 states and 5440 transitions. Word has length 243 [2018-11-07 07:12:44,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:12:44,176 INFO L480 AbstractCegarLoop]: Abstraction has 3551 states and 5440 transitions. [2018-11-07 07:12:44,176 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-07 07:12:44,176 INFO L276 IsEmpty]: Start isEmpty. Operand 3551 states and 5440 transitions. [2018-11-07 07:12:44,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-07 07:12:44,189 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:12:44,189 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2018-11-07 07:12:44,189 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:12:44,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:12:44,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1731469988, now seen corresponding path program 1 times [2018-11-07 07:12:44,190 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:12:44,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:12:44,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:12:44,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:12:44,191 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:12:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:12:44,455 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 07:12:44,649 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-07 07:12:44,649 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:12:44,650 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:12:44,650 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 247 with the following transitions: [2018-11-07 07:12:44,650 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [16], [17], [21], [24], [25], [28], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1049], [1057], [1065], [1073], [1081], [1089], [1097], [1105], [1113], [1121], [1129], [1137], [1145], [1149], [1151], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-07 07:12:44,656 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:12:44,656 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:12:45,916 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:12:45,916 INFO L272 AbstractInterpreter]: Visited 217 different actions 645 times. Merged at 7 different actions 18 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 88 variables. [2018-11-07 07:12:45,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:12:45,931 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:12:45,931 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:12:45,931 INFO L194 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 [2018-11-07 07:12:45,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:12:45,941 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:12:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:12:46,163 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:12:46,521 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-07 07:12:46,522 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:12:47,009 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-07 07:12:47,030 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-07 07:12:47,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 10 [2018-11-07 07:12:47,030 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:12:47,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 07:12:47,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 07:12:47,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:12:47,035 INFO L87 Difference]: Start difference. First operand 3551 states and 5440 transitions. Second operand 5 states. [2018-11-07 07:12:48,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:12:48,553 INFO L93 Difference]: Finished difference Result 8969 states and 14720 transitions. [2018-11-07 07:12:48,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-07 07:12:48,554 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 246 [2018-11-07 07:12:48,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:12:48,584 INFO L225 Difference]: With dead ends: 8969 [2018-11-07 07:12:48,585 INFO L226 Difference]: Without dead ends: 6264 [2018-11-07 07:12:48,596 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 482 SyntacticMatches, 7 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:12:48,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6264 states. [2018-11-07 07:12:48,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6264 to 6255. [2018-11-07 07:12:48,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6255 states. [2018-11-07 07:12:48,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6255 states to 6255 states and 10078 transitions. [2018-11-07 07:12:48,770 INFO L78 Accepts]: Start accepts. Automaton has 6255 states and 10078 transitions. Word has length 246 [2018-11-07 07:12:48,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:12:48,770 INFO L480 AbstractCegarLoop]: Abstraction has 6255 states and 10078 transitions. [2018-11-07 07:12:48,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 07:12:48,770 INFO L276 IsEmpty]: Start isEmpty. Operand 6255 states and 10078 transitions. [2018-11-07 07:12:48,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-11-07 07:12:48,793 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:12:48,793 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:12:48,794 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:12:48,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:12:48,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1956908726, now seen corresponding path program 1 times [2018-11-07 07:12:48,794 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:12:48,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:12:48,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:12:48,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:12:48,796 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:12:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:12:49,438 WARN L179 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-07 07:12:49,679 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-11-07 07:12:49,898 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-07 07:12:49,899 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:12:49,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 07:12:49,899 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:12:49,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 07:12:49,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 07:12:49,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-11-07 07:12:49,900 INFO L87 Difference]: Start difference. First operand 6255 states and 10078 transitions. Second operand 6 states. [2018-11-07 07:12:52,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:12:52,118 INFO L93 Difference]: Finished difference Result 14342 states and 24298 transitions. [2018-11-07 07:12:52,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-07 07:12:52,119 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 259 [2018-11-07 07:12:52,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:12:52,158 INFO L225 Difference]: With dead ends: 14342 [2018-11-07 07:12:52,158 INFO L226 Difference]: Without dead ends: 8231 [2018-11-07 07:12:52,183 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-11-07 07:12:52,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8231 states. [2018-11-07 07:12:52,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8231 to 7986. [2018-11-07 07:12:52,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7986 states. [2018-11-07 07:12:52,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7986 states to 7986 states and 11961 transitions. [2018-11-07 07:12:52,384 INFO L78 Accepts]: Start accepts. Automaton has 7986 states and 11961 transitions. Word has length 259 [2018-11-07 07:12:52,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:12:52,385 INFO L480 AbstractCegarLoop]: Abstraction has 7986 states and 11961 transitions. [2018-11-07 07:12:52,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 07:12:52,385 INFO L276 IsEmpty]: Start isEmpty. Operand 7986 states and 11961 transitions. [2018-11-07 07:12:52,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-11-07 07:12:52,417 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:12:52,418 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-07 07:12:52,418 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:12:52,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:12:52,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1016082639, now seen corresponding path program 1 times [2018-11-07 07:12:52,418 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:12:52,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:12:52,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:12:52,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:12:52,419 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:12:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:12:53,104 WARN L179 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-07 07:12:53,385 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 172 proven. 17 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-07 07:12:53,386 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:12:53,386 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:12:53,386 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 337 with the following transitions: [2018-11-07 07:12:53,387 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [24], [25], [29], [33], [37], [41], [45], [48], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [240], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1049], [1057], [1065], [1073], [1081], [1089], [1097], [1105], [1113], [1121], [1129], [1137], [1145], [1149], [1151], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-07 07:12:53,397 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:12:53,398 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:12:55,349 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:12:55,350 INFO L272 AbstractInterpreter]: Visited 218 different actions 653 times. Merged at 8 different actions 23 times. Never widened. Found 5 fixpoints after 3 different actions. Largest state had 88 variables. [2018-11-07 07:12:55,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:12:55,386 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:12:55,386 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:12:55,386 INFO L194 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 [2018-11-07 07:12:55,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:12:55,399 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:12:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:12:55,658 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:12:56,178 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 165 proven. 2 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-07 07:12:56,178 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:12:56,336 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-07 07:12:56,562 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 165 proven. 2 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-07 07:12:56,584 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:12:56,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-07 07:12:56,584 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:12:56,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 07:12:56,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 07:12:56,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:12:56,586 INFO L87 Difference]: Start difference. First operand 7986 states and 11961 transitions. Second operand 9 states. [2018-11-07 07:13:04,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:13:04,887 INFO L93 Difference]: Finished difference Result 38474 states and 68209 transitions. [2018-11-07 07:13:04,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-11-07 07:13:04,887 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 336 [2018-11-07 07:13:04,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:13:05,047 INFO L225 Difference]: With dead ends: 38474 [2018-11-07 07:13:05,047 INFO L226 Difference]: Without dead ends: 30915 [2018-11-07 07:13:05,117 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 764 GetRequests, 710 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 934 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=585, Invalid=2277, Unknown=0, NotChecked=0, Total=2862 [2018-11-07 07:13:05,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30915 states. [2018-11-07 07:13:05,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30915 to 29169. [2018-11-07 07:13:05,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29169 states. [2018-11-07 07:13:06,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29169 states to 29169 states and 43309 transitions. [2018-11-07 07:13:06,018 INFO L78 Accepts]: Start accepts. Automaton has 29169 states and 43309 transitions. Word has length 336 [2018-11-07 07:13:06,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:13:06,018 INFO L480 AbstractCegarLoop]: Abstraction has 29169 states and 43309 transitions. [2018-11-07 07:13:06,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 07:13:06,018 INFO L276 IsEmpty]: Start isEmpty. Operand 29169 states and 43309 transitions. [2018-11-07 07:13:06,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-11-07 07:13:06,132 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:13:06,133 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-07 07:13:06,133 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:13:06,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:13:06,134 INFO L82 PathProgramCache]: Analyzing trace with hash -2067591785, now seen corresponding path program 1 times [2018-11-07 07:13:06,134 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:13:06,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:13:06,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:13:06,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:13:06,135 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:13:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:13:06,488 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 07:13:07,147 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 181 proven. 44 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-07 07:13:07,148 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:13:07,148 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:13:07,148 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 366 with the following transitions: [2018-11-07 07:13:07,149 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [24], [25], [28], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [236], [237], [240], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1049], [1057], [1065], [1073], [1081], [1089], [1097], [1105], [1113], [1121], [1129], [1137], [1145], [1149], [1151], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-07 07:13:07,154 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:13:07,154 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:13:08,790 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:13:08,790 INFO L272 AbstractInterpreter]: Visited 218 different actions 650 times. Merged at 8 different actions 20 times. Never widened. Found 5 fixpoints after 4 different actions. Largest state had 88 variables. [2018-11-07 07:13:08,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:13:08,825 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:13:08,825 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:13:08,825 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 07:13:08,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:13:08,846 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:13:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:13:09,107 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:13:09,609 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 218 proven. 2 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-11-07 07:13:09,609 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:13:10,150 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 194 proven. 11 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-11-07 07:13:10,171 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:13:10,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2018-11-07 07:13:10,171 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:13:10,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 07:13:10,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 07:13:10,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-11-07 07:13:10,172 INFO L87 Difference]: Start difference. First operand 29169 states and 43309 transitions. Second operand 10 states. [2018-11-07 07:13:16,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:13:16,560 INFO L93 Difference]: Finished difference Result 78661 states and 119774 transitions. [2018-11-07 07:13:16,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-07 07:13:16,560 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 365 [2018-11-07 07:13:16,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:13:16,721 INFO L225 Difference]: With dead ends: 78661 [2018-11-07 07:13:16,722 INFO L226 Difference]: Without dead ends: 49919 [2018-11-07 07:13:16,798 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 761 GetRequests, 736 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2018-11-07 07:13:16,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49919 states. [2018-11-07 07:13:17,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49919 to 47958. [2018-11-07 07:13:17,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47958 states. [2018-11-07 07:13:17,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47958 states to 47958 states and 64065 transitions. [2018-11-07 07:13:17,818 INFO L78 Accepts]: Start accepts. Automaton has 47958 states and 64065 transitions. Word has length 365 [2018-11-07 07:13:17,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:13:17,819 INFO L480 AbstractCegarLoop]: Abstraction has 47958 states and 64065 transitions. [2018-11-07 07:13:17,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 07:13:17,819 INFO L276 IsEmpty]: Start isEmpty. Operand 47958 states and 64065 transitions. [2018-11-07 07:13:17,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2018-11-07 07:13:17,888 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:13:17,888 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-07 07:13:17,888 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:13:17,889 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:13:17,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1899506547, now seen corresponding path program 1 times [2018-11-07 07:13:17,889 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:13:17,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:13:17,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:13:17,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:13:17,890 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:13:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:13:18,711 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 187 proven. 58 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-07 07:13:18,711 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:13:18,711 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:13:18,711 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 375 with the following transitions: [2018-11-07 07:13:18,712 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [24], [25], [28], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [240], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [334], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1049], [1057], [1065], [1073], [1081], [1089], [1097], [1105], [1113], [1121], [1129], [1137], [1145], [1149], [1151], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-07 07:13:18,717 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:13:18,717 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:13:20,113 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:13:20,113 INFO L272 AbstractInterpreter]: Visited 218 different actions 872 times. Merged at 9 different actions 35 times. Widened at 1 different actions 1 times. Found 8 fixpoints after 4 different actions. Largest state had 88 variables. [2018-11-07 07:13:20,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:13:20,121 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:13:20,121 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:13:20,121 INFO L194 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 [2018-11-07 07:13:20,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:13:20,130 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:13:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:13:20,372 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:13:20,791 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 162 proven. 74 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-07 07:13:20,791 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:13:21,413 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 234 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-07 07:13:21,433 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:13:21,433 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2018-11-07 07:13:21,434 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:13:21,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-07 07:13:21,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-07 07:13:21,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-07 07:13:21,435 INFO L87 Difference]: Start difference. First operand 47958 states and 64065 transitions. Second operand 8 states. [2018-11-07 07:13:28,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:13:28,552 INFO L93 Difference]: Finished difference Result 169763 states and 233298 transitions. [2018-11-07 07:13:28,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-07 07:13:28,552 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 374 [2018-11-07 07:13:28,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:13:28,939 INFO L225 Difference]: With dead ends: 169763 [2018-11-07 07:13:28,939 INFO L226 Difference]: Without dead ends: 119952 [2018-11-07 07:13:29,078 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 802 GetRequests, 767 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=262, Invalid=860, Unknown=0, NotChecked=0, Total=1122 [2018-11-07 07:13:29,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119952 states. [2018-11-07 07:13:30,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119952 to 116869. [2018-11-07 07:13:30,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116869 states. [2018-11-07 07:13:31,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116869 states to 116869 states and 144691 transitions. [2018-11-07 07:13:31,198 INFO L78 Accepts]: Start accepts. Automaton has 116869 states and 144691 transitions. Word has length 374 [2018-11-07 07:13:31,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:13:31,199 INFO L480 AbstractCegarLoop]: Abstraction has 116869 states and 144691 transitions. [2018-11-07 07:13:31,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-07 07:13:31,199 INFO L276 IsEmpty]: Start isEmpty. Operand 116869 states and 144691 transitions. [2018-11-07 07:13:31,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-11-07 07:13:31,305 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:13:31,306 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:13:31,306 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:13:31,306 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:13:31,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1096365088, now seen corresponding path program 1 times [2018-11-07 07:13:31,307 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:13:31,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:13:31,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:13:31,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:13:31,308 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:13:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:13:31,993 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 219 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:13:31,994 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:13:31,994 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:13:31,994 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 376 with the following transitions: [2018-11-07 07:13:31,995 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [256], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [436], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1049], [1057], [1065], [1073], [1081], [1089], [1097], [1105], [1113], [1121], [1129], [1137], [1145], [1149], [1151], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-07 07:13:32,000 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:13:32,000 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:13:32,872 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:13:32,872 INFO L272 AbstractInterpreter]: Visited 215 different actions 424 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-11-07 07:13:32,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:13:32,878 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:13:34,378 INFO L227 lantSequenceWeakener]: Weakened 372 states. On average, predicates are now at 74.74% of their original sizes. [2018-11-07 07:13:34,378 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:13:34,636 INFO L415 sIntCurrentIteration]: We unified 374 AI predicates to 374 [2018-11-07 07:13:34,636 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:13:34,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:13:34,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [6] total 21 [2018-11-07 07:13:34,636 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:13:34,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-07 07:13:34,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-07 07:13:34,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-11-07 07:13:34,638 INFO L87 Difference]: Start difference. First operand 116869 states and 144691 transitions. Second operand 17 states. [2018-11-07 07:13:55,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:13:55,178 INFO L93 Difference]: Finished difference Result 240043 states and 297898 transitions. [2018-11-07 07:13:55,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-07 07:13:55,178 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 375 [2018-11-07 07:13:55,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:13:55,567 INFO L225 Difference]: With dead ends: 240043 [2018-11-07 07:13:55,567 INFO L226 Difference]: Without dead ends: 123601 [2018-11-07 07:13:55,716 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 382 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=144, Invalid=456, Unknown=0, NotChecked=0, Total=600 [2018-11-07 07:13:55,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123601 states. [2018-11-07 07:13:57,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123601 to 123566. [2018-11-07 07:13:57,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123566 states. [2018-11-07 07:13:57,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123566 states to 123566 states and 152204 transitions. [2018-11-07 07:13:57,697 INFO L78 Accepts]: Start accepts. Automaton has 123566 states and 152204 transitions. Word has length 375 [2018-11-07 07:13:57,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:13:57,697 INFO L480 AbstractCegarLoop]: Abstraction has 123566 states and 152204 transitions. [2018-11-07 07:13:57,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-07 07:13:57,698 INFO L276 IsEmpty]: Start isEmpty. Operand 123566 states and 152204 transitions. [2018-11-07 07:13:57,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-11-07 07:13:57,819 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:13:57,820 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 07:13:57,820 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:13:57,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:13:57,821 INFO L82 PathProgramCache]: Analyzing trace with hash 2121646781, now seen corresponding path program 1 times [2018-11-07 07:13:57,821 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:13:57,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:13:57,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:13:57,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:13:57,822 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:13:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:13:59,055 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 173 proven. 76 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 07:13:59,055 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:13:59,055 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:13:59,055 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 388 with the following transitions: [2018-11-07 07:13:59,056 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [24], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [256], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [436], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1049], [1057], [1065], [1073], [1081], [1089], [1097], [1105], [1113], [1121], [1129], [1137], [1145], [1149], [1151], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-07 07:13:59,063 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:13:59,063 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:14:01,262 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:14:01,262 INFO L272 AbstractInterpreter]: Visited 217 different actions 865 times. Merged at 8 different actions 33 times. Never widened. Found 7 fixpoints after 3 different actions. Largest state had 88 variables. [2018-11-07 07:14:01,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:14:01,267 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:14:01,267 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:14:01,267 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 07:14:01,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:14:01,276 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:14:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:14:01,489 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:14:01,705 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-07 07:14:01,705 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:14:01,863 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 182 proven. 62 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-07 07:14:01,884 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:14:01,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-11-07 07:14:01,885 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:14:01,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-07 07:14:01,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-07 07:14:01,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2018-11-07 07:14:01,886 INFO L87 Difference]: Start difference. First operand 123566 states and 152204 transitions. Second operand 12 states. [2018-11-07 07:14:11,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:14:11,989 INFO L93 Difference]: Finished difference Result 307170 states and 381803 transitions. [2018-11-07 07:14:11,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-11-07 07:14:11,989 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 387 [2018-11-07 07:14:11,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:14:12,509 INFO L225 Difference]: With dead ends: 307170 [2018-11-07 07:14:12,510 INFO L226 Difference]: Without dead ends: 184032 [2018-11-07 07:14:12,655 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 838 GetRequests, 797 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=390, Invalid=1332, Unknown=0, NotChecked=0, Total=1722 [2018-11-07 07:14:12,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184032 states. [2018-11-07 07:14:15,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184032 to 182484. [2018-11-07 07:14:15,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182484 states. [2018-11-07 07:14:15,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182484 states to 182484 states and 224195 transitions. [2018-11-07 07:14:15,833 INFO L78 Accepts]: Start accepts. Automaton has 182484 states and 224195 transitions. Word has length 387 [2018-11-07 07:14:15,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:14:15,834 INFO L480 AbstractCegarLoop]: Abstraction has 182484 states and 224195 transitions. [2018-11-07 07:14:15,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-07 07:14:15,834 INFO L276 IsEmpty]: Start isEmpty. Operand 182484 states and 224195 transitions. [2018-11-07 07:14:16,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-11-07 07:14:16,002 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:14:16,002 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:14:16,003 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:14:16,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:14:16,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1710444947, now seen corresponding path program 1 times [2018-11-07 07:14:16,003 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:14:16,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:14:16,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:14:16,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:14:16,004 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:14:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-11-07 07:14:16,184 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,185 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,185 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,185 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,186 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,186 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,186 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,186 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,186 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,187 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,187 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,187 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,188 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,188 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,188 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,188 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,188 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,189 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,189 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,189 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,189 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,190 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,190 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,190 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,191 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,191 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,191 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,191 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,192 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,192 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,192 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,192 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,192 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,193 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,193 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,193 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,193 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,194 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,194 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,194 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,194 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,195 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,195 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,195 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,195 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,196 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,196 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,196 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,196 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,197 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,197 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,197 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,197 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,197 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,198 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,198 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,198 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,198 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,199 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,199 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,199 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,199 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,200 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,200 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,200 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,200 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,201 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,201 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,201 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,201 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,201 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,202 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,202 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,202 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,202 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,203 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,203 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,203 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,203 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,204 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,204 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,204 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,204 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,205 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,205 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,205 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,205 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,205 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,206 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,206 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,206 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,206 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,207 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,207 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,207 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,208 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,208 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,208 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,208 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,209 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,209 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,209 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,209 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,209 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,210 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,210 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,210 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,210 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,211 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,211 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,211 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,211 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,212 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,212 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,212 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,212 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,212 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,213 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,213 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,213 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,213 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,214 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,214 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,214 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,214 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,214 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,215 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,215 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,215 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,216 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,216 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,216 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,216 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,217 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,217 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,217 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,218 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,218 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,218 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,218 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,219 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,219 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,219 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,219 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,220 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,220 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,220 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,220 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,220 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,221 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,221 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,221 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,222 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,223 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,223 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,223 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,223 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,224 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,224 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,224 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,224 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,225 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,225 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,225 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,225 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,226 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,226 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,226 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,226 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,227 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,227 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,227 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,227 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,227 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,228 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,228 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,228 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,228 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,229 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,229 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,229 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,229 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,229 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,230 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,230 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,230 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,230 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,231 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,231 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,231 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,231 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,232 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,232 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,232 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,232 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,232 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,233 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,233 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,233 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,233 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,234 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,234 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,234 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,234 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,234 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,235 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,235 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,235 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,235 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,236 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,236 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,236 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,236 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,237 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,237 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,237 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,237 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,238 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,238 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,238 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,239 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,239 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,239 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,239 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,240 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,240 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,240 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,240 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,242 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,243 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,243 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,243 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,244 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,244 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,244 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,244 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,244 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,245 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,245 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,245 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,245 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,246 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,246 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,246 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,246 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,247 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,247 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,247 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,247 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,248 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,248 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,248 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,248 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,248 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,249 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,249 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,249 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,249 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,250 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,250 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,250 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,250 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,250 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,251 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,252 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,252 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,252 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,252 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,253 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,253 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,253 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,253 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,254 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,254 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,254 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,254 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,254 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,255 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,255 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,255 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,255 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,256 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,256 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,256 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,256 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,256 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,257 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,257 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,257 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,257 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,258 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,258 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,258 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,258 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,259 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,259 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,259 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,260 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,260 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,260 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,260 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,261 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,261 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,261 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,261 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,262 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,262 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,262 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,262 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,263 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,263 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,263 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,263 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,263 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,264 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,264 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,264 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,264 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,265 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,265 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,265 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,265 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,266 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,266 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,266 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,266 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,267 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,267 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,267 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,267 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,267 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,268 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,268 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,268 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,268 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,269 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,269 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,269 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,269 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,270 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,270 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,270 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,270 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,271 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,271 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,271 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,271 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,271 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,272 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,272 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,272 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,272 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,273 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,273 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,273 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,273 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,273 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,274 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,274 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,274 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,275 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,275 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,275 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,275 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,275 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,276 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,276 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,276 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,276 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,277 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,277 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,277 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,277 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,279 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,279 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,279 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,279 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,280 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,280 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,280 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,280 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,280 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,281 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,281 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,281 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,281 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,281 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,282 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,282 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,282 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,282 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,282 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,283 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,283 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,283 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,283 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,283 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,284 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,284 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,284 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,284 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,284 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,285 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,285 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,285 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,285 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,286 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,286 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,286 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,286 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,286 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,287 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,287 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,287 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,287 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,287 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,288 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,288 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,288 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,288 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,289 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,289 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,289 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,289 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,289 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,290 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,290 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,290 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,290 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,290 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,291 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,291 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,291 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,291 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,292 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,292 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,292 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,292 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,292 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-11-07 07:14:16,297 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 07:14:16,301 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 07:14:16,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:14:16 BoogieIcfgContainer [2018-11-07 07:14:16,302 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 07:14:16,303 INFO L168 Benchmark]: Toolchain (without parser) took 214283.26 ms. Allocated memory was 1.5 GB in the beginning and 4.8 GB in the end (delta: 3.2 GB). Free memory was 1.4 GB in the beginning and 3.4 GB in the end (delta: -2.0 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-11-07 07:14:16,304 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-11-07 07:14:16,304 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1366.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-11-07 07:14:16,305 INFO L168 Benchmark]: Boogie Procedure Inliner took 183.41 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 731.9 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -859.7 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2018-11-07 07:14:16,306 INFO L168 Benchmark]: Boogie Preprocessor took 145.42 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 07:14:16,307 INFO L168 Benchmark]: RCFGBuilder took 5174.54 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 249.9 MB). Peak memory consumption was 249.9 MB. Max. memory is 7.1 GB. [2018-11-07 07:14:16,307 INFO L168 Benchmark]: TraceAbstraction took 207407.89 ms. Allocated memory was 2.3 GB in the beginning and 4.8 GB in the end (delta: 2.5 GB). Free memory was 2.0 GB in the beginning and 3.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-11-07 07:14:16,311 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 1366.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 183.41 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 731.9 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -859.7 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 145.42 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 5174.54 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 249.9 MB). Peak memory consumption was 249.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 207407.89 ms. Allocated memory was 2.3 GB in the beginning and 4.8 GB in the end (delta: 2.5 GB). Free memory was 2.0 GB in the beginning and 3.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1647]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1647). Cancelled while BasicCegarLoop was analyzing trace of length 440 with TraceHistMax 5,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 438 interpolants. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 312 locations, 1 error locations. TIMEOUT Result, 207.3s OverallTime, 14 OverallIterations, 6 TraceHistogramMax, 161.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3206 SDtfs, 24494 SDslu, 6899 SDs, 0 SdLazy, 32561 SolverSat, 5676 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 85.0s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 4807 GetRequests, 4513 SyntacticMatches, 23 SemanticMatches, 271 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2305 ImplicationChecksByTransitivity, 11.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=182484occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 12.7s AbstIntTime, 9 AbstIntIterations, 4 AbstIntStrong, 0.9991495245596196 AbsIntWeakeningRatio, 0.24311926605504589 AbsIntAvgWeakeningVarsNumRemoved, 58.88256880733945 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 10.0s AutomataMinimizationTime, 13 MinimizatonAttempts, 8704 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 11.1s InterpolantComputationTime, 5425 NumberOfCodeBlocks, 5425 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 7110 ConstructedInterpolants, 0 QuantifiedInterpolants, 5619247 SizeOfPredicates, 5 NumberOfNonLiveVariables, 7181 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 23 InterpolantComputations, 5 PerfectInterpolantSequences, 3362/3736 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown