java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label58_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 18:28:39,183 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 18:28:39,185 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 18:28:39,201 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 18:28:39,201 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 18:28:39,203 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 18:28:39,204 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 18:28:39,206 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 18:28:39,208 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 18:28:39,209 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 18:28:39,210 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 18:28:39,211 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 18:28:39,212 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 18:28:39,212 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 18:28:39,214 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 18:28:39,214 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 18:28:39,215 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 18:28:39,217 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 18:28:39,219 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 18:28:39,220 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 18:28:39,222 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 18:28:39,223 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 18:28:39,225 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 18:28:39,225 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 18:28:39,226 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 18:28:39,226 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 18:28:39,227 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 18:28:39,228 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 18:28:39,229 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 18:28:39,230 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 18:28:39,230 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 18:28:39,231 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 18:28:39,231 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 18:28:39,231 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 18:28:39,232 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 18:28:39,233 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 18:28:39,233 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 18:28:39,249 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 18:28:39,249 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 18:28:39,250 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 18:28:39,250 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 18:28:39,250 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 18:28:39,251 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 18:28:39,251 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 18:28:39,251 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 18:28:39,251 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 18:28:39,252 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 18:28:39,252 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 18:28:39,252 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 18:28:39,253 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 18:28:39,253 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 18:28:39,253 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 18:28:39,253 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 18:28:39,254 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 18:28:39,254 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 18:28:39,254 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 18:28:39,254 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 18:28:39,254 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 18:28:39,255 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 18:28:39,255 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 18:28:39,255 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 18:28:39,255 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 18:28:39,256 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 18:28:39,256 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 18:28:39,256 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 18:28:39,256 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 18:28:39,256 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 18:28:39,257 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 18:28:39,257 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 18:28:39,257 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 18:28:39,257 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 18:28:39,322 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 18:28:39,339 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 18:28:39,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 18:28:39,345 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 18:28:39,346 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 18:28:39,346 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label58_false-unreach-call.c [2018-10-24 18:28:39,409 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9405d1a23/3dbdff9bf9d8427d81a8a5442a8ec4d4/FLAGb028b36ed [2018-10-24 18:28:40,279 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 18:28:40,280 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label58_false-unreach-call.c [2018-10-24 18:28:40,321 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9405d1a23/3dbdff9bf9d8427d81a8a5442a8ec4d4/FLAGb028b36ed [2018-10-24 18:28:40,338 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9405d1a23/3dbdff9bf9d8427d81a8a5442a8ec4d4 [2018-10-24 18:28:40,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 18:28:40,351 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 18:28:40,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 18:28:40,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 18:28:40,357 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 18:28:40,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:28:40" (1/1) ... [2018-10-24 18:28:40,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ccbb6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:28:40, skipping insertion in model container [2018-10-24 18:28:40,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:28:40" (1/1) ... [2018-10-24 18:28:40,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 18:28:40,539 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 18:28:42,143 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:28:42,151 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 18:28:42,901 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:28:42,944 INFO L193 MainTranslator]: Completed translation [2018-10-24 18:28:42,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:28:42 WrapperNode [2018-10-24 18:28:42,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 18:28:42,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 18:28:42,946 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 18:28:42,946 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 18:28:42,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:28:42" (1/1) ... [2018-10-24 18:28:43,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:28:42" (1/1) ... [2018-10-24 18:28:43,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 18:28:43,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 18:28:43,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 18:28:43,595 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 18:28:43,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:28:42" (1/1) ... [2018-10-24 18:28:43,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:28:42" (1/1) ... [2018-10-24 18:28:43,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:28:42" (1/1) ... [2018-10-24 18:28:43,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:28:42" (1/1) ... [2018-10-24 18:28:43,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:28:42" (1/1) ... [2018-10-24 18:28:43,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:28:42" (1/1) ... [2018-10-24 18:28:43,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:28:42" (1/1) ... [2018-10-24 18:28:43,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 18:28:43,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 18:28:43,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 18:28:43,922 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 18:28:43,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:28:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 18:28:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 18:28:44,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 18:28:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 18:28:44,004 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 18:28:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 18:28:44,004 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 18:28:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 18:28:44,005 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 18:28:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 18:28:44,005 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 18:28:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 18:28:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 18:28:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 18:28:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 18:28:55,708 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 18:28:55,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:28:55 BoogieIcfgContainer [2018-10-24 18:28:55,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 18:28:55,710 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 18:28:55,711 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 18:28:55,717 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 18:28:55,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 06:28:40" (1/3) ... [2018-10-24 18:28:55,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21197206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:28:55, skipping insertion in model container [2018-10-24 18:28:55,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:28:42" (2/3) ... [2018-10-24 18:28:55,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21197206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:28:55, skipping insertion in model container [2018-10-24 18:28:55,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:28:55" (3/3) ... [2018-10-24 18:28:55,721 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label58_false-unreach-call.c [2018-10-24 18:28:55,732 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 18:28:55,746 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 18:28:55,766 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 18:28:55,817 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 18:28:55,817 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 18:28:55,817 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 18:28:55,818 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 18:28:55,818 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 18:28:55,818 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 18:28:55,818 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 18:28:55,818 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 18:28:55,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-10-24 18:28:55,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-24 18:28:55,879 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:28:55,881 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 18:28:55,884 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:28:55,889 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:28:55,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1597313123, now seen corresponding path program 1 times [2018-10-24 18:28:55,892 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:28:55,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:28:55,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:28:55,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:28:55,943 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:28:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:28:56,318 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 18:28:56,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:28:56,421 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:28:56,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 18:28:56,421 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:28:56,429 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 18:28:56,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 18:28:56,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 18:28:56,450 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-10-24 18:29:06,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:29:06,044 INFO L93 Difference]: Finished difference Result 3097 states and 5707 transitions. [2018-10-24 18:29:06,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 18:29:06,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-10-24 18:29:06,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:29:06,083 INFO L225 Difference]: With dead ends: 3097 [2018-10-24 18:29:06,083 INFO L226 Difference]: Without dead ends: 1975 [2018-10-24 18:29:06,099 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 18:29:06,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2018-10-24 18:29:06,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1974. [2018-10-24 18:29:06,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1974 states. [2018-10-24 18:29:06,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1974 states and 3284 transitions. [2018-10-24 18:29:06,409 INFO L78 Accepts]: Start accepts. Automaton has 1974 states and 3284 transitions. Word has length 19 [2018-10-24 18:29:06,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:29:06,410 INFO L481 AbstractCegarLoop]: Abstraction has 1974 states and 3284 transitions. [2018-10-24 18:29:06,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 18:29:06,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 3284 transitions. [2018-10-24 18:29:06,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-24 18:29:06,416 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:29:06,417 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 18:29:06,417 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:29:06,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:29:06,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1812746414, now seen corresponding path program 1 times [2018-10-24 18:29:06,419 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:29:06,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:29:06,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:29:06,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:29:06,422 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:29:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:29:06,918 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:29:06,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:29:06,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 18:29:06,919 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:29:06,922 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 18:29:06,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 18:29:06,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 18:29:06,923 INFO L87 Difference]: Start difference. First operand 1974 states and 3284 transitions. Second operand 5 states. [2018-10-24 18:29:25,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:29:25,931 INFO L93 Difference]: Finished difference Result 5737 states and 9691 transitions. [2018-10-24 18:29:25,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 18:29:25,932 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 95 [2018-10-24 18:29:25,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:29:25,958 INFO L225 Difference]: With dead ends: 5737 [2018-10-24 18:29:25,958 INFO L226 Difference]: Without dead ends: 3769 [2018-10-24 18:29:25,965 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 18:29:25,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3769 states. [2018-10-24 18:29:26,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3769 to 3685. [2018-10-24 18:29:26,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3685 states. [2018-10-24 18:29:26,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3685 states to 3685 states and 5659 transitions. [2018-10-24 18:29:26,097 INFO L78 Accepts]: Start accepts. Automaton has 3685 states and 5659 transitions. Word has length 95 [2018-10-24 18:29:26,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:29:26,097 INFO L481 AbstractCegarLoop]: Abstraction has 3685 states and 5659 transitions. [2018-10-24 18:29:26,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 18:29:26,098 INFO L276 IsEmpty]: Start isEmpty. Operand 3685 states and 5659 transitions. [2018-10-24 18:29:26,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-24 18:29:26,104 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:29:26,105 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 18:29:26,105 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:29:26,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:29:26,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1681120082, now seen corresponding path program 1 times [2018-10-24 18:29:26,106 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:29:26,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:29:26,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:29:26,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:29:26,108 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:29:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:29:26,417 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:29:26,418 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:29:26,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 18:29:26,418 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:29:26,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 18:29:26,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 18:29:26,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 18:29:26,420 INFO L87 Difference]: Start difference. First operand 3685 states and 5659 transitions. Second operand 5 states. [2018-10-24 18:29:58,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:29:58,321 INFO L93 Difference]: Finished difference Result 13663 states and 21759 transitions. [2018-10-24 18:29:58,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 18:29:58,323 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2018-10-24 18:29:58,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:29:58,390 INFO L225 Difference]: With dead ends: 13663 [2018-10-24 18:29:58,391 INFO L226 Difference]: Without dead ends: 9984 [2018-10-24 18:29:58,418 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 18:29:58,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9984 states. [2018-10-24 18:29:58,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9984 to 9794. [2018-10-24 18:29:58,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9794 states. [2018-10-24 18:29:58,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9794 states to 9794 states and 14500 transitions. [2018-10-24 18:29:58,691 INFO L78 Accepts]: Start accepts. Automaton has 9794 states and 14500 transitions. Word has length 109 [2018-10-24 18:29:58,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:29:58,692 INFO L481 AbstractCegarLoop]: Abstraction has 9794 states and 14500 transitions. [2018-10-24 18:29:58,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 18:29:58,692 INFO L276 IsEmpty]: Start isEmpty. Operand 9794 states and 14500 transitions. [2018-10-24 18:29:58,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-24 18:29:58,697 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:29:58,697 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 18:29:58,697 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:29:58,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:29:58,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1652720786, now seen corresponding path program 1 times [2018-10-24 18:29:58,698 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:29:58,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:29:58,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:29:58,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:29:58,699 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:29:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:29:59,015 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 18:29:59,116 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:29:59,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:29:59,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 18:29:59,117 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:29:59,117 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 18:29:59,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 18:29:59,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 18:29:59,118 INFO L87 Difference]: Start difference. First operand 9794 states and 14500 transitions. Second operand 6 states. [2018-10-24 18:30:12,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:30:12,917 INFO L93 Difference]: Finished difference Result 34189 states and 53805 transitions. [2018-10-24 18:30:12,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 18:30:12,923 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2018-10-24 18:30:12,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:30:13,041 INFO L225 Difference]: With dead ends: 34189 [2018-10-24 18:30:13,041 INFO L226 Difference]: Without dead ends: 24401 [2018-10-24 18:30:13,110 INFO L605 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 [2018-10-24 18:30:13,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24401 states. [2018-10-24 18:30:13,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24401 to 24168. [2018-10-24 18:30:13,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24168 states. [2018-10-24 18:30:13,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24168 states to 24168 states and 34071 transitions. [2018-10-24 18:30:13,723 INFO L78 Accepts]: Start accepts. Automaton has 24168 states and 34071 transitions. Word has length 127 [2018-10-24 18:30:13,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:30:13,724 INFO L481 AbstractCegarLoop]: Abstraction has 24168 states and 34071 transitions. [2018-10-24 18:30:13,724 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 18:30:13,724 INFO L276 IsEmpty]: Start isEmpty. Operand 24168 states and 34071 transitions. [2018-10-24 18:30:13,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-24 18:30:13,729 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:30:13,729 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 18:30:13,729 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:30:13,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:30:13,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1095351321, now seen corresponding path program 1 times [2018-10-24 18:30:13,730 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:30:13,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:30:13,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:30:13,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:30:13,731 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:30:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:30:14,018 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 18:30:14,387 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:30:14,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:30:14,388 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 18:30:14,388 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:30:14,389 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 18:30:14,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 18:30:14,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 18:30:14,390 INFO L87 Difference]: Start difference. First operand 24168 states and 34071 transitions. Second operand 6 states. [2018-10-24 18:30:25,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:30:25,413 INFO L93 Difference]: Finished difference Result 62337 states and 97859 transitions. [2018-10-24 18:30:25,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 18:30:25,417 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-10-24 18:30:25,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:30:25,589 INFO L225 Difference]: With dead ends: 62337 [2018-10-24 18:30:25,589 INFO L226 Difference]: Without dead ends: 38175 [2018-10-24 18:30:25,646 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 18:30:25,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38175 states. [2018-10-24 18:30:26,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38175 to 37978. [2018-10-24 18:30:26,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37978 states. [2018-10-24 18:30:26,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37978 states to 37978 states and 54437 transitions. [2018-10-24 18:30:26,550 INFO L78 Accepts]: Start accepts. Automaton has 37978 states and 54437 transitions. Word has length 138 [2018-10-24 18:30:26,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:30:26,551 INFO L481 AbstractCegarLoop]: Abstraction has 37978 states and 54437 transitions. [2018-10-24 18:30:26,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 18:30:26,551 INFO L276 IsEmpty]: Start isEmpty. Operand 37978 states and 54437 transitions. [2018-10-24 18:30:26,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-24 18:30:26,558 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:30:26,558 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 18:30:26,558 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:30:26,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:30:26,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1731803128, now seen corresponding path program 1 times [2018-10-24 18:30:26,559 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:30:26,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:30:26,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:30:26,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:30:26,560 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:30:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:30:26,891 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 18:30:27,260 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:30:27,261 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:30:27,261 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 18:30:27,261 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:30:27,262 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 18:30:27,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 18:30:27,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 18:30:27,262 INFO L87 Difference]: Start difference. First operand 37978 states and 54437 transitions. Second operand 6 states. [2018-10-24 18:30:37,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:30:37,248 INFO L93 Difference]: Finished difference Result 83932 states and 123832 transitions. [2018-10-24 18:30:37,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 18:30:37,253 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2018-10-24 18:30:37,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:30:37,426 INFO L225 Difference]: With dead ends: 83932 [2018-10-24 18:30:37,426 INFO L226 Difference]: Without dead ends: 45960 [2018-10-24 18:30:37,515 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 18:30:37,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45960 states. [2018-10-24 18:30:38,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45960 to 45858. [2018-10-24 18:30:38,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45858 states. [2018-10-24 18:30:38,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45858 states to 45858 states and 62658 transitions. [2018-10-24 18:30:38,417 INFO L78 Accepts]: Start accepts. Automaton has 45858 states and 62658 transitions. Word has length 166 [2018-10-24 18:30:38,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:30:38,418 INFO L481 AbstractCegarLoop]: Abstraction has 45858 states and 62658 transitions. [2018-10-24 18:30:38,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 18:30:38,418 INFO L276 IsEmpty]: Start isEmpty. Operand 45858 states and 62658 transitions. [2018-10-24 18:30:38,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-24 18:30:38,426 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:30:38,426 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 18:30:38,426 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:30:38,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:30:38,427 INFO L82 PathProgramCache]: Analyzing trace with hash 456578613, now seen corresponding path program 1 times [2018-10-24 18:30:38,427 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:30:38,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:30:38,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:30:38,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:30:38,428 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:30:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:30:38,814 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 98 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:30:38,814 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 18:30:38,815 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 18:30:38,816 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 217 with the following transitions: [2018-10-24 18:30:38,819 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2679], [2681], [2684], [2692], [2700], [2708], [2716], [2724], [2732], [2740], [2748], [2756], [2764], [2772], [2780], [2788], [2796], [2804], [2812], [2820], [2828], [2836], [2844], [2852], [2860], [2868], [2876], [2884], [2892], [2900], [2908], [2916], [2924], [2932], [2940], [2948], [2956], [2964], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3151], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3266], [3270], [3274], [3278], [3282], [3286], [3290], [3294], [3305], [3309], [3313], [3317], [3321], [3325], [3329], [3333], [3344], [3355], [3358], [3361], [3365], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-10-24 18:30:38,921 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 18:30:38,921 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 18:30:45,793 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 18:30:45,794 INFO L272 AbstractInterpreter]: Visited 124 different actions 124 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-24 18:30:45,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:30:45,806 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 18:30:49,620 INFO L232 lantSequenceWeakener]: Weakened 193 states. On average, predicates are now at 71.12% of their original sizes. [2018-10-24 18:30:49,620 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 18:30:51,385 INFO L413 sIntCurrentIteration]: We have 215 unified AI predicates [2018-10-24 18:30:51,385 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 18:30:51,386 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 18:30:51,387 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-10-24 18:30:51,387 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:30:51,388 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-24 18:30:51,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-24 18:30:51,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-10-24 18:30:51,389 INFO L87 Difference]: Start difference. First operand 45858 states and 62658 transitions. Second operand 11 states. [2018-10-24 18:31:27,091 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-24 18:32:19,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-24 18:32:19,918 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 18:32:19,924 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 18:32:19,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 06:32:19 BoogieIcfgContainer [2018-10-24 18:32:19,925 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 18:32:19,926 INFO L168 Benchmark]: Toolchain (without parser) took 219575.84 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-10-24 18:32:19,927 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. [2018-10-24 18:32:19,928 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2592.89 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-10-24 18:32:19,929 INFO L168 Benchmark]: Boogie Procedure Inliner took 648.49 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 803.7 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2018-10-24 18:32:19,930 INFO L168 Benchmark]: Boogie Preprocessor took 326.50 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 7.1 GB. [2018-10-24 18:32:19,931 INFO L168 Benchmark]: RCFGBuilder took 11787.96 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 221.8 MB). Free memory was 2.2 GB in the beginning and 2.3 GB in the end (delta: -54.1 MB). Peak memory consumption was 688.5 MB. Max. memory is 7.1 GB. [2018-10-24 18:32:19,932 INFO L168 Benchmark]: TraceAbstraction took 204214.60 ms. Allocated memory was 2.6 GB in the beginning and 4.2 GB in the end (delta: 1.6 GB). Free memory was 2.2 GB in the beginning and 2.8 GB in the end (delta: -600.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-10-24 18:32:19,937 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 2592.89 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 648.49 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 803.7 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 326.50 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11787.96 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 221.8 MB). Free memory was 2.2 GB in the beginning and 2.3 GB in the end (delta: -54.1 MB). Peak memory consumption was 688.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 204214.60 ms. Allocated memory was 2.6 GB in the beginning and 4.2 GB in the end (delta: 1.6 GB). Free memory was 2.2 GB in the beginning and 2.8 GB in the end (delta: -600.5 MB). 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: 48]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 48). Cancelled while BasicCegarLoop was constructing difference of abstraction (45858states) and FLOYD_HOARE automaton (currently 10 states, 11 states before enhancement),while ReachableStatesComputation was computing reachable states (3217 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 204.1s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 184.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2993 SDtfs, 23370 SDslu, 3293 SDs, 0 SdLazy, 34621 SolverSat, 9651 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 137.4s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 272 GetRequests, 220 SyntacticMatches, 5 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45858occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.9s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9956779964221825 AbsIntWeakeningRatio, 0.13953488372093023 AbsIntAvgWeakeningVarsNumRemoved, 47.2093023255814 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 807 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 870 NumberOfCodeBlocks, 870 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 863 ConstructedInterpolants, 0 QuantifiedInterpolants, 509307 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 158/160 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown