java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label34_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 03:19:03,205 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 03:19:03,208 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 03:19:03,220 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 03:19:03,221 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 03:19:03,222 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 03:19:03,223 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 03:19:03,226 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 03:19:03,231 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 03:19:03,232 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 03:19:03,233 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 03:19:03,233 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 03:19:03,234 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 03:19:03,238 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 03:19:03,239 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 03:19:03,247 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 03:19:03,251 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 03:19:03,253 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 03:19:03,255 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 03:19:03,260 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 03:19:03,261 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 03:19:03,263 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 03:19:03,266 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-07 03:19:03,278 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 03:19:03,278 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 03:19:03,279 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 03:19:03,282 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 03:19:03,283 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 03:19:03,309 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 03:19:03,309 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 03:19:03,311 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 03:19:03,311 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 03:19:03,311 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 03:19:03,311 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 03:19:03,312 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 03:19:03,312 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 03:19:03,312 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 03:19:03,312 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 03:19:03,312 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 03:19:03,313 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 03:19:03,314 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 03:19:03,315 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 03:19:03,316 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 03:19:03,316 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 03:19:03,316 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 03:19:03,316 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 03:19:03,316 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 03:19:03,317 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 03:19:03,317 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 03:19:03,317 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 03:19:03,317 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 03:19:03,318 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 03:19:03,319 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 03:19:03,319 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 03:19:03,319 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 03:19:03,320 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 03:19:03,320 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 03:19:03,320 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 03:19:03,320 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 03:19:03,320 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 03:19:03,321 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 03:19:03,321 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 03:19:03,402 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 03:19:03,425 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 03:19:03,429 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 03:19:03,431 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 03:19:03,431 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 03:19:03,433 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label34_true-unreach-call.c [2018-11-07 03:19:03,502 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd1fe1391/b26afe8a7d22424e9784896f162a8135/FLAG984d8b8ec [2018-11-07 03:19:04,310 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 03:19:04,311 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label34_true-unreach-call.c [2018-11-07 03:19:04,350 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd1fe1391/b26afe8a7d22424e9784896f162a8135/FLAG984d8b8ec [2018-11-07 03:19:04,375 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd1fe1391/b26afe8a7d22424e9784896f162a8135 [2018-11-07 03:19:04,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 03:19:04,393 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 03:19:04,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 03:19:04,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 03:19:04,398 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 03:19:04,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:19:04" (1/1) ... [2018-11-07 03:19:04,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4916ea8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:19:04, skipping insertion in model container [2018-11-07 03:19:04,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:19:04" (1/1) ... [2018-11-07 03:19:04,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 03:19:04,622 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 03:19:06,236 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 03:19:06,245 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 03:19:07,059 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 03:19:07,104 INFO L193 MainTranslator]: Completed translation [2018-11-07 03:19:07,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:19:07 WrapperNode [2018-11-07 03:19:07,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 03:19:07,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 03:19:07,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 03:19:07,107 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 03:19:07,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:19:07" (1/1) ... [2018-11-07 03:19:07,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:19:07" (1/1) ... [2018-11-07 03:19:07,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 03:19:07,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 03:19:07,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 03:19:07,628 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 03:19:07,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:19:07" (1/1) ... [2018-11-07 03:19:07,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:19:07" (1/1) ... [2018-11-07 03:19:07,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:19:07" (1/1) ... [2018-11-07 03:19:07,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:19:07" (1/1) ... [2018-11-07 03:19:07,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:19:07" (1/1) ... [2018-11-07 03:19:07,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:19:07" (1/1) ... [2018-11-07 03:19:07,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:19:07" (1/1) ... [2018-11-07 03:19:07,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 03:19:07,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 03:19:07,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 03:19:07,961 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 03:19:07,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:19:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 03:19:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 03:19:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 03:19:08,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 03:19:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-07 03:19:08,042 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-07 03:19:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-07 03:19:08,042 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-07 03:19:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 03:19:08,043 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 03:19:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 03:19:08,043 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 03:19:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 03:19:08,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 03:19:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 03:19:08,044 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 03:19:20,246 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 03:19:20,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:19:20 BoogieIcfgContainer [2018-11-07 03:19:20,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 03:19:20,248 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 03:19:20,248 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 03:19:20,252 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 03:19:20,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:19:04" (1/3) ... [2018-11-07 03:19:20,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4831451f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:19:20, skipping insertion in model container [2018-11-07 03:19:20,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:19:07" (2/3) ... [2018-11-07 03:19:20,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4831451f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:19:20, skipping insertion in model container [2018-11-07 03:19:20,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:19:20" (3/3) ... [2018-11-07 03:19:20,256 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label34_true-unreach-call.c [2018-11-07 03:19:20,267 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 03:19:20,278 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 03:19:20,296 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 03:19:20,352 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 03:19:20,352 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 03:19:20,353 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 03:19:20,353 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 03:19:20,353 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 03:19:20,353 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 03:19:20,353 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 03:19:20,353 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 03:19:20,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-11-07 03:19:20,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-07 03:19:20,427 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:19:20,429 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:19:20,432 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:19:20,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:19:20,438 INFO L82 PathProgramCache]: Analyzing trace with hash 784010707, now seen corresponding path program 1 times [2018-11-07 03:19:20,441 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:19:20,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:19:20,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:19:20,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:19:20,497 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:19:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:19:20,946 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 03:19:21,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:19:21,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:19:21,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 03:19:21,067 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:19:21,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 03:19:21,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 03:19:21,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 03:19:21,096 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-11-07 03:19:30,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:19:30,048 INFO L93 Difference]: Finished difference Result 3093 states and 5715 transitions. [2018-11-07 03:19:30,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 03:19:30,053 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2018-11-07 03:19:30,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:19:30,090 INFO L225 Difference]: With dead ends: 3093 [2018-11-07 03:19:30,091 INFO L226 Difference]: Without dead ends: 1971 [2018-11-07 03:19:30,104 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 03:19:30,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1971 states. [2018-11-07 03:19:30,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1971 to 1957. [2018-11-07 03:19:30,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1957 states. [2018-11-07 03:19:30,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 1957 states and 3535 transitions. [2018-11-07 03:19:30,301 INFO L78 Accepts]: Start accepts. Automaton has 1957 states and 3535 transitions. Word has length 63 [2018-11-07 03:19:30,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:19:30,302 INFO L480 AbstractCegarLoop]: Abstraction has 1957 states and 3535 transitions. [2018-11-07 03:19:30,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 03:19:30,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 3535 transitions. [2018-11-07 03:19:30,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-07 03:19:30,316 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:19:30,318 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:19:30,318 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:19:30,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:19:30,319 INFO L82 PathProgramCache]: Analyzing trace with hash -666764916, now seen corresponding path program 1 times [2018-11-07 03:19:30,319 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:19:30,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:19:30,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:19:30,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:19:30,321 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:19:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:19:30,873 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:19:30,873 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:19:30,874 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 03:19:30,874 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:19:30,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 03:19:30,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 03:19:30,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 03:19:30,877 INFO L87 Difference]: Start difference. First operand 1957 states and 3535 transitions. Second operand 6 states. [2018-11-07 03:19:43,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:19:43,108 INFO L93 Difference]: Finished difference Result 5627 states and 10356 transitions. [2018-11-07 03:19:43,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 03:19:43,109 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2018-11-07 03:19:43,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:19:43,133 INFO L225 Difference]: With dead ends: 5627 [2018-11-07 03:19:43,133 INFO L226 Difference]: Without dead ends: 3676 [2018-11-07 03:19:43,141 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 03:19:43,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2018-11-07 03:19:43,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3643. [2018-11-07 03:19:43,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3643 states. [2018-11-07 03:19:43,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3643 states to 3643 states and 5987 transitions. [2018-11-07 03:19:43,258 INFO L78 Accepts]: Start accepts. Automaton has 3643 states and 5987 transitions. Word has length 146 [2018-11-07 03:19:43,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:19:43,258 INFO L480 AbstractCegarLoop]: Abstraction has 3643 states and 5987 transitions. [2018-11-07 03:19:43,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 03:19:43,259 INFO L276 IsEmpty]: Start isEmpty. Operand 3643 states and 5987 transitions. [2018-11-07 03:19:43,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-07 03:19:43,265 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:19:43,265 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:19:43,265 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:19:43,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:19:43,266 INFO L82 PathProgramCache]: Analyzing trace with hash -646191812, now seen corresponding path program 1 times [2018-11-07 03:19:43,266 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:19:43,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:19:43,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:19:43,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:19:43,268 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:19:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:19:43,540 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:19:43,540 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:19:43,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 03:19:43,541 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:19:43,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 03:19:43,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 03:19:43,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 03:19:43,543 INFO L87 Difference]: Start difference. First operand 3643 states and 5987 transitions. Second operand 5 states. [2018-11-07 03:19:53,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:19:53,538 INFO L93 Difference]: Finished difference Result 10947 states and 18497 transitions. [2018-11-07 03:19:53,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 03:19:53,547 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 162 [2018-11-07 03:19:53,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:19:53,594 INFO L225 Difference]: With dead ends: 10947 [2018-11-07 03:19:53,594 INFO L226 Difference]: Without dead ends: 7310 [2018-11-07 03:19:53,611 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 03:19:53,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7310 states. [2018-11-07 03:19:53,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7310 to 7122. [2018-11-07 03:19:53,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7122 states. [2018-11-07 03:19:53,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7122 states to 7122 states and 10912 transitions. [2018-11-07 03:19:53,852 INFO L78 Accepts]: Start accepts. Automaton has 7122 states and 10912 transitions. Word has length 162 [2018-11-07 03:19:53,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:19:53,853 INFO L480 AbstractCegarLoop]: Abstraction has 7122 states and 10912 transitions. [2018-11-07 03:19:53,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 03:19:53,853 INFO L276 IsEmpty]: Start isEmpty. Operand 7122 states and 10912 transitions. [2018-11-07 03:19:53,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-07 03:19:53,863 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:19:53,863 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:19:53,863 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:19:53,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:19:53,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1378098232, now seen corresponding path program 1 times [2018-11-07 03:19:53,864 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:19:53,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:19:53,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:19:53,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:19:53,866 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:19:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:19:54,254 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 03:19:54,661 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:19:54,661 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:19:54,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 03:19:54,662 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:19:54,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 03:19:54,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 03:19:54,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 03:19:54,663 INFO L87 Difference]: Start difference. First operand 7122 states and 10912 transitions. Second operand 6 states. [2018-11-07 03:20:04,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:20:04,579 INFO L93 Difference]: Finished difference Result 19748 states and 31238 transitions. [2018-11-07 03:20:04,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 03:20:04,588 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 199 [2018-11-07 03:20:04,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:20:04,657 INFO L225 Difference]: With dead ends: 19748 [2018-11-07 03:20:04,661 INFO L226 Difference]: Without dead ends: 12632 [2018-11-07 03:20:04,702 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 03:20:04,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12632 states. [2018-11-07 03:20:04,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12632 to 12430. [2018-11-07 03:20:04,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12430 states. [2018-11-07 03:20:05,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12430 states to 12430 states and 18009 transitions. [2018-11-07 03:20:05,016 INFO L78 Accepts]: Start accepts. Automaton has 12430 states and 18009 transitions. Word has length 199 [2018-11-07 03:20:05,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:20:05,017 INFO L480 AbstractCegarLoop]: Abstraction has 12430 states and 18009 transitions. [2018-11-07 03:20:05,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 03:20:05,017 INFO L276 IsEmpty]: Start isEmpty. Operand 12430 states and 18009 transitions. [2018-11-07 03:20:05,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-07 03:20:05,026 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:20:05,026 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:20:05,026 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:20:05,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:20:05,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1937080759, now seen corresponding path program 1 times [2018-11-07 03:20:05,027 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:20:05,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:20:05,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:20:05,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:20:05,028 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:20:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:20:05,626 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:20:05,626 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:20:05,627 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 03:20:05,627 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:20:05,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 03:20:05,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 03:20:05,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-07 03:20:05,628 INFO L87 Difference]: Start difference. First operand 12430 states and 18009 transitions. Second operand 6 states. [2018-11-07 03:20:20,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:20:20,015 INFO L93 Difference]: Finished difference Result 42981 states and 69563 transitions. [2018-11-07 03:20:20,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-07 03:20:20,016 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 221 [2018-11-07 03:20:20,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:20:20,189 INFO L225 Difference]: With dead ends: 42981 [2018-11-07 03:20:20,189 INFO L226 Difference]: Without dead ends: 30557 [2018-11-07 03:20:20,264 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-07 03:20:20,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30557 states. [2018-11-07 03:20:21,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30557 to 30318. [2018-11-07 03:20:21,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30318 states. [2018-11-07 03:20:21,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30318 states to 30318 states and 43989 transitions. [2018-11-07 03:20:21,196 INFO L78 Accepts]: Start accepts. Automaton has 30318 states and 43989 transitions. Word has length 221 [2018-11-07 03:20:21,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:20:21,197 INFO L480 AbstractCegarLoop]: Abstraction has 30318 states and 43989 transitions. [2018-11-07 03:20:21,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 03:20:21,197 INFO L276 IsEmpty]: Start isEmpty. Operand 30318 states and 43989 transitions. [2018-11-07 03:20:21,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-07 03:20:21,510 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:20:21,511 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:20:21,511 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:20:21,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:20:21,512 INFO L82 PathProgramCache]: Analyzing trace with hash -561084943, now seen corresponding path program 1 times [2018-11-07 03:20:21,513 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:20:21,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:20:21,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:20:21,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:20:21,514 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:20:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:20:21,838 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 03:20:22,283 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:20:22,284 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:20:22,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 03:20:22,284 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:20:22,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 03:20:22,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 03:20:22,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 03:20:22,285 INFO L87 Difference]: Start difference. First operand 30318 states and 43989 transitions. Second operand 6 states. [2018-11-07 03:20:32,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:20:32,880 INFO L93 Difference]: Finished difference Result 73864 states and 116117 transitions. [2018-11-07 03:20:32,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 03:20:32,884 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 244 [2018-11-07 03:20:32,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:20:33,092 INFO L225 Difference]: With dead ends: 73864 [2018-11-07 03:20:33,093 INFO L226 Difference]: Without dead ends: 43552 [2018-11-07 03:20:33,212 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 03:20:33,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43552 states. [2018-11-07 03:20:34,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43552 to 43242. [2018-11-07 03:20:34,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43242 states. [2018-11-07 03:20:34,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43242 states to 43242 states and 61380 transitions. [2018-11-07 03:20:34,243 INFO L78 Accepts]: Start accepts. Automaton has 43242 states and 61380 transitions. Word has length 244 [2018-11-07 03:20:34,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:20:34,243 INFO L480 AbstractCegarLoop]: Abstraction has 43242 states and 61380 transitions. [2018-11-07 03:20:34,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 03:20:34,243 INFO L276 IsEmpty]: Start isEmpty. Operand 43242 states and 61380 transitions. [2018-11-07 03:20:34,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-07 03:20:34,265 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:20:34,266 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:20:34,271 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:20:34,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:20:34,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1537806897, now seen corresponding path program 1 times [2018-11-07 03:20:34,272 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:20:34,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:20:34,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:20:34,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:20:34,273 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:20:34,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:20:34,698 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 112 proven. 94 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 03:20:34,699 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 03:20:34,699 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 03:20:34,700 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 269 with the following transitions: [2018-11-07 03:20:34,710 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], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3027], [3031], [3033], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3257], [3258], [3262], [3266], [3270], [3274], [3278], [3282], [3285], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-11-07 03:20:34,829 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 03:20:34,829 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 03:20:40,910 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 03:20:41,333 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 03:20:41,334 INFO L272 AbstractInterpreter]: Visited 111 different actions 111 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-11-07 03:20:41,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:20:41,345 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 03:20:46,406 INFO L227 lantSequenceWeakener]: Weakened 247 states. On average, predicates are now at 71.8% of their original sizes. [2018-11-07 03:20:46,407 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 03:20:47,981 INFO L415 sIntCurrentIteration]: We unified 267 AI predicates to 267 [2018-11-07 03:20:47,981 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 03:20:47,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 03:20:47,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2018-11-07 03:20:47,982 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:20:47,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 03:20:47,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 03:20:47,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-11-07 03:20:47,983 INFO L87 Difference]: Start difference. First operand 43242 states and 61380 transitions. Second operand 11 states. Received shutdown request... [2018-11-07 03:22:46,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-07 03:22:46,716 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 03:22:46,721 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 03:22:46,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:22:46 BoogieIcfgContainer [2018-11-07 03:22:46,722 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 03:22:46,723 INFO L168 Benchmark]: Toolchain (without parser) took 222332.13 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 3.5 GB in the end (delta: -2.1 GB). Peak memory consumption was 540.0 MB. Max. memory is 7.1 GB. [2018-11-07 03:22:46,724 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 03:22:46,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2711.72 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. [2018-11-07 03:22:46,726 INFO L168 Benchmark]: Boogie Procedure Inliner took 521.06 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 794.3 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 67.7 MB. Max. memory is 7.1 GB. [2018-11-07 03:22:46,726 INFO L168 Benchmark]: Boogie Preprocessor took 332.56 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: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 7.1 GB. [2018-11-07 03:22:46,727 INFO L168 Benchmark]: RCFGBuilder took 12286.38 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 202.4 MB). Free memory was 2.2 GB in the beginning and 2.3 GB in the end (delta: -50.0 MB). Peak memory consumption was 702.9 MB. Max. memory is 7.1 GB. [2018-11-07 03:22:46,728 INFO L168 Benchmark]: TraceAbstraction took 206473.74 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 2.3 GB in the beginning and 3.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 394.7 MB. Max. memory is 7.1 GB. [2018-11-07 03:22:46,734 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 2711.72 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 521.06 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 794.3 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 67.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 332.56 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: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 12286.38 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 202.4 MB). Free memory was 2.2 GB in the beginning and 2.3 GB in the end (delta: -50.0 MB). Peak memory consumption was 702.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 206473.74 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 2.3 GB in the beginning and 3.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 394.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 180]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 180). Cancelled while BasicCegarLoop was constructing difference of abstraction (43242states) and FLOYD_HOARE automaton (currently 10 states, 11 states before enhancement),while ReachableStatesComputation was computing reachable states (2967 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 206.3s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 185.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2757 SDtfs, 22681 SDslu, 3198 SDs, 0 SdLazy, 35011 SolverSat, 8225 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 135.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 327 GetRequests, 273 SyntacticMatches, 5 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43242occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.6s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9963699222126187 AbsIntWeakeningRatio, 0.10112359550561797 AbsIntAvgWeakeningVarsNumRemoved, 25.325842696629213 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.8s AutomataMinimizationTime, 6 MinimizatonAttempts, 986 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1303 NumberOfCodeBlocks, 1303 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1296 ConstructedInterpolants, 0 QuantifiedInterpolants, 1082843 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 397/491 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown