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-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label54_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 19:55:06,133 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 19:55:06,135 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 19:55:06,150 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 19:55:06,150 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 19:55:06,151 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 19:55:06,152 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 19:55:06,154 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 19:55:06,156 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 19:55:06,157 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 19:55:06,158 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 19:55:06,158 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 19:55:06,159 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 19:55:06,160 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 19:55:06,161 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 19:55:06,162 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 19:55:06,163 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 19:55:06,165 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 19:55:06,167 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 19:55:06,168 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 19:55:06,170 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 19:55:06,171 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 19:55:06,173 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 19:55:06,174 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 19:55:06,174 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 19:55:06,175 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 19:55:06,176 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 19:55:06,177 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 19:55:06,178 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 19:55:06,179 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 19:55:06,179 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 19:55:06,180 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-12 19:55:06,180 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-12 19:55:06,180 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-12 19:55:06,181 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-12 19:55:06,182 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-12 19:55:06,183 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-12 19:55:06,211 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 19:55:06,212 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 19:55:06,212 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 19:55:06,213 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 19:55:06,213 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 19:55:06,213 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 19:55:06,213 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 19:55:06,213 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 19:55:06,214 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 19:55:06,214 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 19:55:06,214 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 19:55:06,214 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 19:55:06,214 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 19:55:06,216 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 19:55:06,216 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 19:55:06,216 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 19:55:06,216 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 19:55:06,218 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 19:55:06,218 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 19:55:06,218 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 19:55:06,218 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 19:55:06,218 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 19:55:06,219 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 19:55:06,219 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 19:55:06,219 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 19:55:06,219 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 19:55:06,219 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 19:55:06,220 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 19:55:06,220 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 19:55:06,220 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 19:55:06,221 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 19:55:06,221 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 19:55:06,221 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 19:55:06,221 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 19:55:06,221 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 19:55:06,277 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 19:55:06,297 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 19:55:06,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 19:55:06,303 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 19:55:06,303 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 19:55:06,304 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label54_true-unreach-call.c [2018-11-12 19:55:06,373 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13eb97689/7a032753ebb449108491a8abb9e6587d/FLAG5c3f5a640 [2018-11-12 19:55:07,229 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 19:55:07,232 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label54_true-unreach-call.c [2018-11-12 19:55:07,282 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13eb97689/7a032753ebb449108491a8abb9e6587d/FLAG5c3f5a640 [2018-11-12 19:55:07,305 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13eb97689/7a032753ebb449108491a8abb9e6587d [2018-11-12 19:55:07,319 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 19:55:07,321 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 19:55:07,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 19:55:07,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 19:55:07,330 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 19:55:07,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:55:07" (1/1) ... [2018-11-12 19:55:07,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3612a6d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:55:07, skipping insertion in model container [2018-11-12 19:55:07,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:55:07" (1/1) ... [2018-11-12 19:55:07,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 19:55:07,621 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 19:55:09,667 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 19:55:09,672 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 19:55:10,857 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 19:55:10,915 INFO L193 MainTranslator]: Completed translation [2018-11-12 19:55:10,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:55:10 WrapperNode [2018-11-12 19:55:10,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 19:55:10,917 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 19:55:10,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 19:55:10,917 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 19:55:11,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:55:10" (1/1) ... [2018-11-12 19:55:11,431 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:55:10" (1/1) ... [2018-11-12 19:55:11,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 19:55:11,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 19:55:11,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 19:55:11,442 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 19:55:11,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:55:10" (1/1) ... [2018-11-12 19:55:11,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:55:10" (1/1) ... [2018-11-12 19:55:11,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:55:10" (1/1) ... [2018-11-12 19:55:11,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:55:10" (1/1) ... [2018-11-12 19:55:11,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:55:10" (1/1) ... [2018-11-12 19:55:11,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:55:10" (1/1) ... [2018-11-12 19:55:11,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:55:10" (1/1) ... [2018-11-12 19:55:11,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 19:55:11,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 19:55:11,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 19:55:11,827 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 19:55:11,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:55:10" (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 [2018-11-12 19:55:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 19:55:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 19:55:11,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 19:55:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-11-12 19:55:11,894 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-11-12 19:55:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-11-12 19:55:11,894 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-11-12 19:55:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-12 19:55:11,894 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-12 19:55:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-12 19:55:11,895 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-12 19:55:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-12 19:55:11,895 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-12 19:55:11,896 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 19:55:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 19:55:11,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 19:55:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 19:55:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 19:55:11,897 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 19:55:27,940 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 19:55:27,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:55:27 BoogieIcfgContainer [2018-11-12 19:55:27,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 19:55:27,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 19:55:27,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 19:55:27,946 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 19:55:27,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 07:55:07" (1/3) ... [2018-11-12 19:55:27,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19f59762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:55:27, skipping insertion in model container [2018-11-12 19:55:27,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:55:10" (2/3) ... [2018-11-12 19:55:27,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19f59762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:55:27, skipping insertion in model container [2018-11-12 19:55:27,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:55:27" (3/3) ... [2018-11-12 19:55:27,950 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label54_true-unreach-call.c [2018-11-12 19:55:27,960 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 19:55:27,969 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 19:55:27,986 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 19:55:28,040 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 19:55:28,040 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 19:55:28,040 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 19:55:28,040 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 19:55:28,040 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 19:55:28,041 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 19:55:28,041 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 19:55:28,041 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 19:55:28,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-11-12 19:55:28,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-12 19:55:28,125 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:55:28,126 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] [2018-11-12 19:55:28,128 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:55:28,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:55:28,135 INFO L82 PathProgramCache]: Analyzing trace with hash 2122689370, now seen corresponding path program 1 times [2018-11-12 19:55:28,137 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:55:28,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:55:28,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:55:28,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:55:28,191 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:55:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:55:28,749 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 19:55:28,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:55:28,883 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:55:28,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-12 19:55:28,883 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:55:28,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 19:55:28,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 19:55:28,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 19:55:28,909 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-11-12 19:55:41,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:55:41,479 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-11-12 19:55:41,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 19:55:41,481 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2018-11-12 19:55:41,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:55:41,536 INFO L225 Difference]: With dead ends: 4998 [2018-11-12 19:55:41,536 INFO L226 Difference]: Without dead ends: 3218 [2018-11-12 19:55:41,548 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 19:55:41,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-11-12 19:55:41,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-11-12 19:55:41,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-11-12 19:55:41,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-11-12 19:55:41,776 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 71 [2018-11-12 19:55:41,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:55:41,777 INFO L480 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-11-12 19:55:41,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 19:55:41,778 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-11-12 19:55:41,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-12 19:55:41,787 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:55:41,787 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 19:55:41,788 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:55:41,788 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:55:41,788 INFO L82 PathProgramCache]: Analyzing trace with hash 952822916, now seen corresponding path program 1 times [2018-11-12 19:55:41,788 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:55:41,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:55:41,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:55:41,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:55:41,790 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:55:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:55:42,146 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 19:55:42,581 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:55:42,582 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:55:42,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 19:55:42,582 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:55:42,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 19:55:42,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 19:55:42,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 19:55:42,586 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-11-12 19:56:04,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:56:04,002 INFO L93 Difference]: Finished difference Result 9340 states and 16946 transitions. [2018-11-12 19:56:04,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 19:56:04,015 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2018-11-12 19:56:04,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:56:04,050 INFO L225 Difference]: With dead ends: 9340 [2018-11-12 19:56:04,050 INFO L226 Difference]: Without dead ends: 6131 [2018-11-12 19:56:04,061 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-12 19:56:04,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6131 states. [2018-11-12 19:56:04,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6131 to 6091. [2018-11-12 19:56:04,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6091 states. [2018-11-12 19:56:04,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6091 states to 6091 states and 9637 transitions. [2018-11-12 19:56:04,243 INFO L78 Accepts]: Start accepts. Automaton has 6091 states and 9637 transitions. Word has length 143 [2018-11-12 19:56:04,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:56:04,245 INFO L480 AbstractCegarLoop]: Abstraction has 6091 states and 9637 transitions. [2018-11-12 19:56:04,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 19:56:04,246 INFO L276 IsEmpty]: Start isEmpty. Operand 6091 states and 9637 transitions. [2018-11-12 19:56:04,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-12 19:56:04,250 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:56:04,250 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 19:56:04,250 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:56:04,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:56:04,251 INFO L82 PathProgramCache]: Analyzing trace with hash 159779727, now seen corresponding path program 1 times [2018-11-12 19:56:04,251 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:56:04,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:56:04,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:56:04,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:56:04,253 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:56:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:56:04,512 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:56:04,512 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:56:04,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 19:56:04,513 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:56:04,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 19:56:04,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 19:56:04,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 19:56:04,514 INFO L87 Difference]: Start difference. First operand 6091 states and 9637 transitions. Second operand 6 states. [2018-11-12 19:56:24,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:56:24,192 INFO L93 Difference]: Finished difference Result 21091 states and 34228 transitions. [2018-11-12 19:56:24,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 19:56:24,193 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2018-11-12 19:56:24,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:56:24,274 INFO L225 Difference]: With dead ends: 21091 [2018-11-12 19:56:24,274 INFO L226 Difference]: Without dead ends: 15006 [2018-11-12 19:56:24,296 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-12 19:56:24,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15006 states. [2018-11-12 19:56:24,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15006 to 14817. [2018-11-12 19:56:24,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14817 states. [2018-11-12 19:56:24,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14817 states to 14817 states and 22424 transitions. [2018-11-12 19:56:24,668 INFO L78 Accepts]: Start accepts. Automaton has 14817 states and 22424 transitions. Word has length 145 [2018-11-12 19:56:24,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:56:24,669 INFO L480 AbstractCegarLoop]: Abstraction has 14817 states and 22424 transitions. [2018-11-12 19:56:24,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 19:56:24,669 INFO L276 IsEmpty]: Start isEmpty. Operand 14817 states and 22424 transitions. [2018-11-12 19:56:24,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-12 19:56:24,674 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:56:24,675 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 19:56:24,675 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:56:24,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:56:24,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1508483004, now seen corresponding path program 1 times [2018-11-12 19:56:24,675 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:56:24,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:56:24,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:56:24,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:56:24,677 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:56:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:56:25,006 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:56:25,007 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:56:25,007 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-12 19:56:25,007 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:56:25,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-12 19:56:25,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-12 19:56:25,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-12 19:56:25,008 INFO L87 Difference]: Start difference. First operand 14817 states and 22424 transitions. Second operand 5 states. [2018-11-12 19:56:41,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:56:41,783 INFO L93 Difference]: Finished difference Result 45162 states and 70158 transitions. [2018-11-12 19:56:41,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 19:56:41,786 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 176 [2018-11-12 19:56:41,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:56:41,890 INFO L225 Difference]: With dead ends: 45162 [2018-11-12 19:56:41,890 INFO L226 Difference]: Without dead ends: 30351 [2018-11-12 19:56:41,931 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-12 19:56:41,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30351 states. [2018-11-12 19:56:42,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30351 to 29952. [2018-11-12 19:56:42,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29952 states. [2018-11-12 19:56:42,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29952 states to 29952 states and 41236 transitions. [2018-11-12 19:56:42,563 INFO L78 Accepts]: Start accepts. Automaton has 29952 states and 41236 transitions. Word has length 176 [2018-11-12 19:56:42,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:56:42,563 INFO L480 AbstractCegarLoop]: Abstraction has 29952 states and 41236 transitions. [2018-11-12 19:56:42,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-12 19:56:42,564 INFO L276 IsEmpty]: Start isEmpty. Operand 29952 states and 41236 transitions. [2018-11-12 19:56:42,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-11-12 19:56:42,577 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:56:42,577 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, 3, 3, 3, 3, 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] [2018-11-12 19:56:42,578 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:56:42,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:56:42,578 INFO L82 PathProgramCache]: Analyzing trace with hash -300329630, now seen corresponding path program 1 times [2018-11-12 19:56:42,578 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:56:42,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:56:42,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:56:42,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:56:42,580 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:56:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:56:42,870 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 19:56:43,261 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 128 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-12 19:56:43,262 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 19:56:43,262 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 19:56:43,264 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 243 with the following transitions: [2018-11-12 19:56:43,271 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5538], [5546], [5554], [5562], [5570], [5578], [5586], [5594], [5602], [5610], [5618], [5626], [5634], [5642], [5650], [5658], [5666], [5674], [5682], [5690], [5694], [5696], [5699], [5707], [5715], [5719], [5722], [5726], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5877], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-11-12 19:56:43,337 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 19:56:43,338 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 19:56:44,008 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 19:56:44,010 INFO L272 AbstractInterpreter]: Visited 104 different actions 104 times. Never merged. Never widened. Performed 1014 root evaluator evaluations with a maximum evaluation depth of 4. Performed 1014 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Never found a fixpoint. Largest state had 26 variables. [2018-11-12 19:56:44,038 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:56:44,039 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 19:56:44,618 INFO L227 lantSequenceWeakener]: Weakened 231 states. On average, predicates are now at 75.88% of their original sizes. [2018-11-12 19:56:44,619 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 19:56:44,965 INFO L415 sIntCurrentIteration]: We unified 241 AI predicates to 241 [2018-11-12 19:56:44,965 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 19:56:44,969 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 19:56:44,970 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-11-12 19:56:44,970 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:56:44,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-12 19:56:44,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-12 19:56:44,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-12 19:56:44,971 INFO L87 Difference]: Start difference. First operand 29952 states and 41236 transitions. Second operand 7 states. [2018-11-12 19:56:49,993 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 19:57:32,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:57:32,996 INFO L93 Difference]: Finished difference Result 61290 states and 84196 transitions. [2018-11-12 19:57:32,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 19:57:32,996 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 242 [2018-11-12 19:57:32,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:57:33,065 INFO L225 Difference]: With dead ends: 61290 [2018-11-12 19:57:33,066 INFO L226 Difference]: Without dead ends: 31344 [2018-11-12 19:57:33,117 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 242 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-12 19:57:33,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31344 states. [2018-11-12 19:57:33,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31344 to 31342. [2018-11-12 19:57:33,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31342 states. [2018-11-12 19:57:33,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31342 states to 31342 states and 42642 transitions. [2018-11-12 19:57:33,611 INFO L78 Accepts]: Start accepts. Automaton has 31342 states and 42642 transitions. Word has length 242 [2018-11-12 19:57:33,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:57:33,612 INFO L480 AbstractCegarLoop]: Abstraction has 31342 states and 42642 transitions. [2018-11-12 19:57:33,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-12 19:57:33,612 INFO L276 IsEmpty]: Start isEmpty. Operand 31342 states and 42642 transitions. [2018-11-12 19:57:33,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2018-11-12 19:57:33,633 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:57:33,633 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 19:57:33,634 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:57:33,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:57:33,634 INFO L82 PathProgramCache]: Analyzing trace with hash -2103908446, now seen corresponding path program 1 times [2018-11-12 19:57:33,634 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:57:33,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:57:33,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:57:33,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:57:33,636 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:57:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:57:35,559 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 294 proven. 69 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-12 19:57:35,559 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 19:57:35,560 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 19:57:35,560 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 483 with the following transitions: [2018-11-12 19:57:35,561 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5538], [5546], [5554], [5562], [5570], [5578], [5586], [5594], [5602], [5610], [5618], [5626], [5634], [5642], [5650], [5658], [5666], [5674], [5682], [5690], [5694], [5696], [5699], [5707], [5715], [5719], [5722], [5726], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5877], [5878], [5882], [5886], [5890], [5894], [5898], [5902], [5906], [5910], [5914], [5918], [5922], [5926], [5930], [5934], [5938], [5942], [5946], [5950], [5954], [5958], [5962], [5966], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6024], [6028], [6032], [6036], [6040], [6051], [6055], [6059], [6063], [6067], [6071], [6075], [6079], [6083], [6087], [6091], [6102], [6106], [6110], [6121], [6125], [6129], [6140], [6144], [6148], [6152], [6156], [6160], [6164], [6168], [6172], [6176], [6180], [6184], [6188], [6192], [6196], [6200], [6204], [6208], [6212], [6216], [6220], [6224], [6228], [6232], [6236], [6240], [6251], [6255], [6259], [6263], [6267], [6278], [6282], [6286], [6290], [6294], [6298], [6302], [6306], [6310], [6314], [6325], [6329], [6333], [6344], [6348], [6352], [6356], [6360], [6371], [6375], [6379], [6383], [6387], [6391], [6402], [6413], [6417], [6421], [6425], [6429], [6440], [6444], [6455], [6459], [6463], [6467], [6471], [6475], [6486], [6490], [6494], [6498], [6502], [6506], [6510], [6514], [6525], [6529], [6533], [6537], [6541], [6545], [6549], [6553], [6557], [6560], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-11-12 19:57:35,571 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 19:57:35,571 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 19:57:36,437 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 19:57:36,437 INFO L272 AbstractInterpreter]: Visited 249 different actions 491 times. Merged at 4 different actions 4 times. Never widened. Performed 9041 root evaluator evaluations with a maximum evaluation depth of 6. Performed 9041 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-11-12 19:57:36,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:57:36,476 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 19:57:37,859 INFO L227 lantSequenceWeakener]: Weakened 152 states. On average, predicates are now at 76.07% of their original sizes. [2018-11-12 19:57:37,860 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 19:57:40,777 INFO L415 sIntCurrentIteration]: We unified 481 AI predicates to 481 [2018-11-12 19:57:40,778 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 19:57:40,778 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 19:57:40,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [29] imperfect sequences [6] total 33 [2018-11-12 19:57:40,778 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:57:40,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-11-12 19:57:40,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-11-12 19:57:40,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=612, Unknown=0, NotChecked=0, Total=812 [2018-11-12 19:57:40,780 INFO L87 Difference]: Start difference. First operand 31342 states and 42642 transitions. Second operand 29 states. [2018-11-12 19:57:54,414 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-11-12 19:58:38,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-11-12 19:58:38,890 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-12 19:58:38,895 WARN L205 ceAbstractionStarter]: Timeout [2018-11-12 19:58:38,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 07:58:38 BoogieIcfgContainer [2018-11-12 19:58:38,896 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 19:58:38,897 INFO L168 Benchmark]: Toolchain (without parser) took 211576.67 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 605.8 MB in the end (delta: 801.6 MB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. [2018-11-12 19:58:38,898 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-12 19:58:38,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3593.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 401.7 MB). Peak memory consumption was 401.7 MB. Max. memory is 7.1 GB. [2018-11-12 19:58:38,899 INFO L168 Benchmark]: Boogie Procedure Inliner took 525.23 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 858.8 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 98.8 MB. Max. memory is 7.1 GB. [2018-11-12 19:58:38,900 INFO L168 Benchmark]: Boogie Preprocessor took 384.82 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 63.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 7.1 GB. [2018-11-12 19:58:38,902 INFO L168 Benchmark]: RCFGBuilder took 16114.26 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 137.9 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 522.8 MB). Peak memory consumption was 660.7 MB. Max. memory is 7.1 GB. [2018-11-12 19:58:38,903 INFO L168 Benchmark]: TraceAbstraction took 190953.10 ms. Allocated memory was 2.5 GB in the beginning and 3.8 GB in the end (delta: 1.3 GB). Free memory was 1.7 GB in the beginning and 605.8 MB in the end (delta: 1.1 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-11-12 19:58:38,909 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3593.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 401.7 MB). Peak memory consumption was 401.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 525.23 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 858.8 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 98.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 384.82 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 63.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 16114.26 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 137.9 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 522.8 MB). Peak memory consumption was 660.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 190953.10 ms. Allocated memory was 2.5 GB in the beginning and 3.8 GB in the end (delta: 1.3 GB). Free memory was 1.7 GB in the beginning and 605.8 MB in the end (delta: 1.1 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 208]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 208). Cancelled while BasicCegarLoop was constructing difference of abstraction (31342states) and FLOYD_HOARE automaton (currently 28 states, 29 states before enhancement),while ReachableStatesComputation was computing reachable states (14413 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 190.8s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 177.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4793 SDtfs, 36984 SDslu, 3322 SDs, 0 SdLazy, 49177 SolverSat, 9989 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 91.7s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 764 GetRequests, 699 SyntacticMatches, 4 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 427 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31342occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.6s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9981315442757089 AbsIntWeakeningRatio, 0.08587257617728532 AbsIntAvgWeakeningVarsNumRemoved, 9.837950138504155 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 5 MinimizatonAttempts, 633 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1259 NumberOfCodeBlocks, 1259 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1253 ConstructedInterpolants, 0 QuantifiedInterpolants, 777825 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 687/821 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown