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_label54_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 18:28:03,250 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 18:28:03,252 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 18:28:03,265 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 18:28:03,265 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 18:28:03,266 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 18:28:03,268 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 18:28:03,270 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 18:28:03,272 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 18:28:03,273 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 18:28:03,274 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 18:28:03,274 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 18:28:03,275 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 18:28:03,276 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 18:28:03,277 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 18:28:03,278 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 18:28:03,279 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 18:28:03,281 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 18:28:03,283 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 18:28:03,285 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 18:28:03,286 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 18:28:03,287 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 18:28:03,290 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 18:28:03,290 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 18:28:03,291 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 18:28:03,292 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 18:28:03,293 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 18:28:03,293 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 18:28:03,294 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 18:28:03,296 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 18:28:03,296 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 18:28:03,297 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 18:28:03,297 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 18:28:03,297 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 18:28:03,298 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 18:28:03,299 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 18:28:03,299 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 18:28:03,315 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 18:28:03,315 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 18:28:03,316 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 18:28:03,316 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 18:28:03,316 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 18:28:03,317 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 18:28:03,317 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 18:28:03,317 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 18:28:03,317 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 18:28:03,317 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 18:28:03,318 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 18:28:03,318 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 18:28:03,318 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 18:28:03,319 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 18:28:03,319 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 18:28:03,319 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 18:28:03,319 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 18:28:03,319 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 18:28:03,320 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 18:28:03,320 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 18:28:03,320 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 18:28:03,320 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 18:28:03,321 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 18:28:03,321 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 18:28:03,321 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 18:28:03,321 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 18:28:03,321 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 18:28:03,322 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 18:28:03,322 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 18:28:03,322 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 18:28:03,322 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 18:28:03,322 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 18:28:03,323 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 18:28:03,323 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 18:28:03,366 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 18:28:03,380 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 18:28:03,383 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 18:28:03,385 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 18:28:03,386 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 18:28:03,387 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label54_false-unreach-call.c [2018-10-24 18:28:03,448 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/fa4752950/5704e236735b43ce90a26832f45f185c/FLAGf4f51f4f1 [2018-10-24 18:28:04,276 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 18:28:04,277 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label54_false-unreach-call.c [2018-10-24 18:28:04,317 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/fa4752950/5704e236735b43ce90a26832f45f185c/FLAGf4f51f4f1 [2018-10-24 18:28:04,341 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/fa4752950/5704e236735b43ce90a26832f45f185c [2018-10-24 18:28:04,353 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 18:28:04,355 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 18:28:04,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 18:28:04,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 18:28:04,365 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 18:28:04,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:28:04" (1/1) ... [2018-10-24 18:28:04,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f7722de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:28:04, skipping insertion in model container [2018-10-24 18:28:04,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:28:04" (1/1) ... [2018-10-24 18:28:04,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 18:28:04,597 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 18:28:06,223 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:28:06,228 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 18:28:07,040 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:28:07,080 INFO L193 MainTranslator]: Completed translation [2018-10-24 18:28:07,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:28:07 WrapperNode [2018-10-24 18:28:07,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 18:28:07,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 18:28:07,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 18:28:07,083 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 18:28:07,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:28:07" (1/1) ... [2018-10-24 18:28:07,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:28:07" (1/1) ... [2018-10-24 18:28:07,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 18:28:07,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 18:28:07,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 18:28:07,633 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 18:28:07,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:28:07" (1/1) ... [2018-10-24 18:28:07,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:28:07" (1/1) ... [2018-10-24 18:28:07,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:28:07" (1/1) ... [2018-10-24 18:28:07,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:28:07" (1/1) ... [2018-10-24 18:28:07,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:28:07" (1/1) ... [2018-10-24 18:28:07,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:28:07" (1/1) ... [2018-10-24 18:28:07,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:28:07" (1/1) ... [2018-10-24 18:28:08,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 18:28:08,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 18:28:08,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 18:28:08,040 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 18:28:08,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:28:07" (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 18:28:08,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 18:28:08,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 18:28:08,115 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 18:28:08,115 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 18:28:08,115 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 18:28:08,116 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 18:28:08,116 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 18:28:08,116 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 18:28:08,116 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 18:28:08,116 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 18:28:08,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 18:28:08,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 18:28:08,118 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 18:28:08,119 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 18:28:19,829 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 18:28:19,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:28:19 BoogieIcfgContainer [2018-10-24 18:28:19,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 18:28:19,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 18:28:19,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 18:28:19,835 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 18:28:19,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 06:28:04" (1/3) ... [2018-10-24 18:28:19,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f4a524c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:28:19, skipping insertion in model container [2018-10-24 18:28:19,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:28:07" (2/3) ... [2018-10-24 18:28:19,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f4a524c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:28:19, skipping insertion in model container [2018-10-24 18:28:19,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:28:19" (3/3) ... [2018-10-24 18:28:19,838 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label54_false-unreach-call.c [2018-10-24 18:28:19,848 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 18:28:19,859 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 18:28:19,877 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 18:28:19,928 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 18:28:19,928 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 18:28:19,929 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 18:28:19,929 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 18:28:19,929 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 18:28:19,929 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 18:28:19,929 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 18:28:19,929 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 18:28:19,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-10-24 18:28:19,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-24 18:28:19,984 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:28:19,985 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] [2018-10-24 18:28:19,988 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:28:19,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:28:19,994 INFO L82 PathProgramCache]: Analyzing trace with hash 840041364, now seen corresponding path program 1 times [2018-10-24 18:28:19,997 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:28:20,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:28:20,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:28:20,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:28:20,054 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:28:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:28:20,455 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 18:28:20,566 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 18:28:20,569 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:28:20,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 18:28:20,569 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:28:20,576 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 18:28:20,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 18:28:20,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 18:28:20,601 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-10-24 18:28:30,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:28:30,644 INFO L93 Difference]: Finished difference Result 3097 states and 5707 transitions. [2018-10-24 18:28:30,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 18:28:30,646 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2018-10-24 18:28:30,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:28:30,678 INFO L225 Difference]: With dead ends: 3097 [2018-10-24 18:28:30,678 INFO L226 Difference]: Without dead ends: 1975 [2018-10-24 18:28:30,692 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 18:28:30,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2018-10-24 18:28:30,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1974. [2018-10-24 18:28:30,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1974 states. [2018-10-24 18:28:30,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1974 states and 3284 transitions. [2018-10-24 18:28:30,859 INFO L78 Accepts]: Start accepts. Automaton has 1974 states and 3284 transitions. Word has length 34 [2018-10-24 18:28:30,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:28:30,860 INFO L481 AbstractCegarLoop]: Abstraction has 1974 states and 3284 transitions. [2018-10-24 18:28:30,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 18:28:30,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 3284 transitions. [2018-10-24 18:28:30,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-24 18:28:30,866 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:28:30,867 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:28:30,867 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:28:30,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:28:30,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1233820516, now seen corresponding path program 1 times [2018-10-24 18:28:30,868 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:28:30,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:28:30,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:28:30,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:28:30,870 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:28:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:28:31,278 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:28:31,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:28:31,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 18:28:31,279 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:28:31,280 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 18:28:31,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 18:28:31,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 18:28:31,281 INFO L87 Difference]: Start difference. First operand 1974 states and 3284 transitions. Second operand 5 states. [2018-10-24 18:28:49,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:28:49,941 INFO L93 Difference]: Finished difference Result 5737 states and 9691 transitions. [2018-10-24 18:28:49,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 18:28:49,945 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 110 [2018-10-24 18:28:49,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:28:49,974 INFO L225 Difference]: With dead ends: 5737 [2018-10-24 18:28:49,974 INFO L226 Difference]: Without dead ends: 3769 [2018-10-24 18:28:49,982 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 18:28:49,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3769 states. [2018-10-24 18:28:50,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3769 to 3685. [2018-10-24 18:28:50,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3685 states. [2018-10-24 18:28:50,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3685 states to 3685 states and 5659 transitions. [2018-10-24 18:28:50,102 INFO L78 Accepts]: Start accepts. Automaton has 3685 states and 5659 transitions. Word has length 110 [2018-10-24 18:28:50,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:28:50,103 INFO L481 AbstractCegarLoop]: Abstraction has 3685 states and 5659 transitions. [2018-10-24 18:28:50,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 18:28:50,103 INFO L276 IsEmpty]: Start isEmpty. Operand 3685 states and 5659 transitions. [2018-10-24 18:28:50,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-24 18:28:50,107 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:28:50,107 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:28:50,107 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:28:50,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:28:50,108 INFO L82 PathProgramCache]: Analyzing trace with hash 66371656, now seen corresponding path program 1 times [2018-10-24 18:28:50,108 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:28:50,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:28:50,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:28:50,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:28:50,109 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:28:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:28:50,375 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:28:50,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:28:50,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 18:28:50,376 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:28:50,377 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 18:28:50,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 18:28:50,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 18:28:50,378 INFO L87 Difference]: Start difference. First operand 3685 states and 5659 transitions. Second operand 5 states. [2018-10-24 18:29:24,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:29:24,366 INFO L93 Difference]: Finished difference Result 13664 states and 21759 transitions. [2018-10-24 18:29:24,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 18:29:24,371 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2018-10-24 18:29:24,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:29:24,444 INFO L225 Difference]: With dead ends: 13664 [2018-10-24 18:29:24,444 INFO L226 Difference]: Without dead ends: 9985 [2018-10-24 18:29:24,471 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 18:29:24,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9985 states. [2018-10-24 18:29:24,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9985 to 9795. [2018-10-24 18:29:24,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9795 states. [2018-10-24 18:29:24,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9795 states to 9795 states and 14500 transitions. [2018-10-24 18:29:24,785 INFO L78 Accepts]: Start accepts. Automaton has 9795 states and 14500 transitions. Word has length 124 [2018-10-24 18:29:24,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:29:24,786 INFO L481 AbstractCegarLoop]: Abstraction has 9795 states and 14500 transitions. [2018-10-24 18:29:24,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 18:29:24,786 INFO L276 IsEmpty]: Start isEmpty. Operand 9795 states and 14500 transitions. [2018-10-24 18:29:24,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-24 18:29:24,795 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:29:24,795 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:29:24,795 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:29:24,795 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:29:24,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1350853156, now seen corresponding path program 1 times [2018-10-24 18:29:24,800 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:29:24,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:29:24,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:29:24,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:29:24,801 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:29:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:29:25,143 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 18:29:25,440 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:29:25,440 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:29:25,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 18:29:25,441 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:29:25,442 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 18:29:25,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 18:29:25,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 18:29:25,442 INFO L87 Difference]: Start difference. First operand 9795 states and 14500 transitions. Second operand 6 states. [2018-10-24 18:29:40,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:29:40,624 INFO L93 Difference]: Finished difference Result 34191 states and 53804 transitions. [2018-10-24 18:29:40,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 18:29:40,625 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 142 [2018-10-24 18:29:40,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:29:40,774 INFO L225 Difference]: With dead ends: 34191 [2018-10-24 18:29:40,774 INFO L226 Difference]: Without dead ends: 24402 [2018-10-24 18:29:40,849 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 18:29:40,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24402 states. [2018-10-24 18:29:41,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24402 to 24169. [2018-10-24 18:29:41,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24169 states. [2018-10-24 18:29:41,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24169 states to 24169 states and 34071 transitions. [2018-10-24 18:29:41,552 INFO L78 Accepts]: Start accepts. Automaton has 24169 states and 34071 transitions. Word has length 142 [2018-10-24 18:29:41,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:29:41,553 INFO L481 AbstractCegarLoop]: Abstraction has 24169 states and 34071 transitions. [2018-10-24 18:29:41,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 18:29:41,553 INFO L276 IsEmpty]: Start isEmpty. Operand 24169 states and 34071 transitions. [2018-10-24 18:29:41,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-24 18:29:41,558 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:29:41,562 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:29:41,562 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:29:41,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:29:41,563 INFO L82 PathProgramCache]: Analyzing trace with hash -120384225, now seen corresponding path program 1 times [2018-10-24 18:29:41,563 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:29:41,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:29:41,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:29:41,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:29:41,565 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:29:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:29:41,813 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 18:29:42,208 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:29:42,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:29:42,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 18:29:42,209 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:29:42,210 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 18:29:42,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 18:29:42,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 18:29:42,211 INFO L87 Difference]: Start difference. First operand 24169 states and 34071 transitions. Second operand 6 states. [2018-10-24 18:29:55,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:29:55,011 INFO L93 Difference]: Finished difference Result 62339 states and 97859 transitions. [2018-10-24 18:29:55,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 18:29:55,016 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2018-10-24 18:29:55,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:29:55,204 INFO L225 Difference]: With dead ends: 62339 [2018-10-24 18:29:55,204 INFO L226 Difference]: Without dead ends: 38176 [2018-10-24 18:29:55,271 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 18:29:55,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38176 states. [2018-10-24 18:29:56,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38176 to 37979. [2018-10-24 18:29:56,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37979 states. [2018-10-24 18:29:56,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37979 states to 37979 states and 54437 transitions. [2018-10-24 18:29:56,207 INFO L78 Accepts]: Start accepts. Automaton has 37979 states and 54437 transitions. Word has length 153 [2018-10-24 18:29:56,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:29:56,208 INFO L481 AbstractCegarLoop]: Abstraction has 37979 states and 54437 transitions. [2018-10-24 18:29:56,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 18:29:56,208 INFO L276 IsEmpty]: Start isEmpty. Operand 37979 states and 54437 transitions. [2018-10-24 18:29:56,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-24 18:29:56,213 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:29:56,213 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:29:56,214 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:29:56,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:29:56,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1559015888, now seen corresponding path program 1 times [2018-10-24 18:29:56,214 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:29:56,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:29:56,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:29:56,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:29:56,216 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:29:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:29:56,502 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 18:29:56,905 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:29:56,905 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:29:56,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 18:29:56,906 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:29:56,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 18:29:56,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 18:29:56,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 18:29:56,907 INFO L87 Difference]: Start difference. First operand 37979 states and 54437 transitions. Second operand 6 states. [2018-10-24 18:30:07,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:30:07,093 INFO L93 Difference]: Finished difference Result 83934 states and 123832 transitions. [2018-10-24 18:30:07,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 18:30:07,094 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 181 [2018-10-24 18:30:07,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:30:07,285 INFO L225 Difference]: With dead ends: 83934 [2018-10-24 18:30:07,285 INFO L226 Difference]: Without dead ends: 45961 [2018-10-24 18:30:07,375 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 18:30:07,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45961 states. [2018-10-24 18:30:08,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45961 to 45859. [2018-10-24 18:30:08,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45859 states. [2018-10-24 18:30:08,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45859 states to 45859 states and 62658 transitions. [2018-10-24 18:30:08,417 INFO L78 Accepts]: Start accepts. Automaton has 45859 states and 62658 transitions. Word has length 181 [2018-10-24 18:30:08,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:30:08,418 INFO L481 AbstractCegarLoop]: Abstraction has 45859 states and 62658 transitions. [2018-10-24 18:30:08,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 18:30:08,418 INFO L276 IsEmpty]: Start isEmpty. Operand 45859 states and 62658 transitions. [2018-10-24 18:30:08,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-10-24 18:30:08,428 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:30:08,429 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 18:30:08,429 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:30:08,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:30:08,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1763920798, now seen corresponding path program 1 times [2018-10-24 18:30:08,430 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:30:08,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:30:08,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:30:08,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:30:08,431 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:30:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:30:08,745 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 128 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:30:08,746 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 18:30:08,746 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 18:30:08,747 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 232 with the following transitions: [2018-10-24 18:30:08,749 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2799], [2801], [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 18:30:08,823 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 18:30:08,823 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 18:30:15,761 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 18:30:15,763 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 18:30:15,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:30:15,778 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 18:30:20,725 INFO L232 lantSequenceWeakener]: Weakened 208 states. On average, predicates are now at 71.4% of their original sizes. [2018-10-24 18:30:20,725 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 18:30:22,301 INFO L413 sIntCurrentIteration]: We have 230 unified AI predicates [2018-10-24 18:30:22,302 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 18:30:22,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 18:30:22,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-10-24 18:30:22,303 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:30:22,304 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-24 18:30:22,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-24 18:30:22,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-10-24 18:30:22,304 INFO L87 Difference]: Start difference. First operand 45859 states and 62658 transitions. Second operand 11 states. [2018-10-24 18:31:07,210 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-24 18:31:52,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-24 18:31:52,837 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 18:31:52,843 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 18:31:52,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 06:31:52 BoogieIcfgContainer [2018-10-24 18:31:52,843 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 18:31:52,844 INFO L168 Benchmark]: Toolchain (without parser) took 228490.51 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 2.2 GB in the end (delta: -777.2 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-10-24 18:31:52,845 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 18:31:52,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2724.22 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 243.1 MB). Peak memory consumption was 243.1 MB. Max. memory is 7.1 GB. [2018-10-24 18:31:52,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 549.60 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 801.6 MB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2018-10-24 18:31:52,848 INFO L168 Benchmark]: Boogie Preprocessor took 406.93 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: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 7.1 GB. [2018-10-24 18:31:52,849 INFO L168 Benchmark]: RCFGBuilder took 11790.44 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 195.0 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: -104.2 kB). Peak memory consumption was 664.8 MB. Max. memory is 7.1 GB. [2018-10-24 18:31:52,850 INFO L168 Benchmark]: TraceAbstraction took 213012.39 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: -621.5 kB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-10-24 18:31:52,855 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2724.22 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 243.1 MB). Peak memory consumption was 243.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 549.60 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 801.6 MB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 406.93 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: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11790.44 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 195.0 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: -104.2 kB). Peak memory consumption was 664.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 213012.39 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: -621.5 kB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 93). Cancelled while BasicCegarLoop was constructing difference of abstraction (45859states) and FLOYD_HOARE automaton (currently 10 states, 11 states before enhancement),while ReachableStatesComputation was computing reachable states (2015 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 212.9s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 192.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2981 SDtfs, 24226 SDslu, 3086 SDs, 0 SdLazy, 34153 SolverSat, 8723 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 145.9s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 287 GetRequests, 235 SyntacticMatches, 5 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45859occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.0s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9959598662207357 AbsIntWeakeningRatio, 0.13043478260869565 AbsIntAvgWeakeningVarsNumRemoved, 39.108695652173914 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 807 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 975 NumberOfCodeBlocks, 975 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 968 ConstructedInterpolants, 0 QuantifiedInterpolants, 577032 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 263/265 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown